remove build on master

* golint
* remove gitter badge

.dockerignore

@@ -6,7 +6,6 @@ bin
 *.pyc
 *.egg-info
 .vagrant
-.git
 .tmp
 bower_components
 node_modules

.github/build/friendly-filenames.json

@@ -0,0 +1,33 @@
+{
+    "android-arm64": { "friendlyName": "android-arm64-v8a" },
+    "darwin-amd64": { "friendlyName": "darwin-amd64" },
+    "darwin-arm64": { "friendlyName": "darwin-arm64" },
+    "dragonfly-amd64": { "friendlyName": "dragonfly-amd64" },
+    "freebsd-386": { "friendlyName": "freebsd-386" },
+    "freebsd-amd64": { "friendlyName": "freebsd-amd64" },
+    "freebsd-arm64": { "friendlyName": "freebsd-arm64-v8a" },
+    "freebsd-arm7": { "friendlyName": "freebsd-arm32-v7a" },
+    "linux-386": { "friendlyName": "linux-386" },
+    "linux-amd64": { "friendlyName": "linux-amd64" },
+    "linux-arm5": { "friendlyName": "linux-arm32-v5" },
+    "linux-arm64": { "friendlyName": "linux-arm64-v8a" },
+    "linux-arm6": { "friendlyName": "linux-arm32-v6" },
+    "linux-arm7": { "friendlyName": "linux-armv7" },
+    "linux-mips64le": { "friendlyName": "linux-mips64le" },
+    "linux-mips64": { "friendlyName": "linux-mips64" },
+    "linux-mipslesoftfloat": { "friendlyName": "linux-mips32le-softfloat" },
+    "linux-mipsle": { "friendlyName": "linux-mips32le" },
+    "linux-mipssoftfloat": { "friendlyName": "linux-mips32-softfloat" },
+    "linux-mips": { "friendlyName": "linux-mips32" },
+    "linux-ppc64le": { "friendlyName": "linux-ppc64le" },
+    "linux-ppc64": { "friendlyName": "linux-ppc64" },
+    "linux-riscv64": { "friendlyName": "linux-riscv64" },
+    "linux-s390x": { "friendlyName": "linux-s390x" },
+    "openbsd-386": { "friendlyName": "openbsd-386" },
+    "openbsd-amd64": { "friendlyName": "openbsd-amd64" },
+    "openbsd-arm64": { "friendlyName": "openbsd-arm64-v8a" },
+    "openbsd-arm7": { "friendlyName": "openbsd-arm32-v7a" },
+    "windows-386": { "friendlyName": "windows-386" },
+    "windows-amd64": { "friendlyName": "windows-amd64" },
+    "windows-arm7": { "friendlyName": "windows-arm32-v7a" }
+  }

.github/workflows/build-docker-images.yml

@@ -1,4 +1,4 @@
-name: Deploy multi-architecture Docker images for transfer.sh with buildx
+name: deploy multi-architecture Docker images for transfer.sh with buildx
 
 on:
   schedule:
@@ -26,7 +26,7 @@ jobs:
           VERSION=edge
 
           if [[ $GITHUB_REF == refs/tags/* ]]; then
-            VERSION=${GITHUB_REF#refs/tags/v}
+            VERSION=v${GITHUB_REF#refs/tags/v}
           fi
 
           if [ "${{ github.event_name }}" = "schedule" ]; then

.github/workflows/release.yml

@@ -0,0 +1,171 @@
+name: Build and Release
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+jobs:
+  build:
+    strategy:
+      matrix:
+        # Include amd64 on all platforms.
+        goos: [windows, freebsd, openbsd, linux, dragonfly, darwin]
+        goarch: [amd64, 386]
+        exclude:
+          # Exclude i386 on darwin and dragonfly.
+          - goarch: 386
+            goos: dragonfly
+          - goarch: 386
+            goos: darwin
+        include:
+          # BEIGIN MacOS ARM64
+          - goos: darwin
+            goarch: arm64
+          # END MacOS ARM64
+          # BEGIN Linux ARM 5 6 7
+          - goos: linux
+            goarch: arm
+            goarm: 7
+          - goos: linux
+            goarch: arm
+            goarm: 6
+          - goos: linux
+            goarch: arm
+            goarm: 5
+          # END Linux ARM 5 6 7
+          # BEGIN Android ARM 8
+          - goos: android
+            goarch: arm64
+          # END Android ARM 8
+          # Windows ARM 7
+          - goos: windows
+            goarch: arm
+            goarm: 7
+          # BEGIN Other architectures
+          # BEGIN riscv64 & ARM64
+          - goos: linux
+            goarch: arm64
+          - goos: linux
+            goarch: riscv64
+          # END riscv64 & ARM64
+          # BEGIN MIPS
+          - goos: linux
+            goarch: mips64
+          - goos: linux
+            goarch: mips64le
+          - goos: linux
+            goarch: mipsle
+          - goos: linux
+            goarch: mips
+          # END MIPS
+          # BEGIN PPC
+          - goos: linux
+            goarch: ppc64
+          - goos: linux
+            goarch: ppc64le
+          # END PPC
+          # BEGIN FreeBSD ARM
+          - goos: freebsd
+            goarch: arm64
+          - goos: freebsd
+            goarch: arm
+            goarm: 7
+          # END FreeBSD ARM
+          # BEGIN S390X
+          - goos: linux
+            goarch: s390x
+          # END S390X
+          # END Other architectures
+          # BEGIN OPENBSD ARM
+          - goos: openbsd
+            goarch: arm64
+          - goos: openbsd
+            goarch: arm
+            goarm: 7
+          # END OPENBSD ARM
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+    env:
+      GOOS: ${{ matrix.goos }}
+      GOARCH: ${{ matrix.goarch }}
+      GOARM: ${{ matrix.goarm }}
+      CGO_ENABLED: 0
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v2
+
+      - name: Show workflow information 
+        id: get_filename
+        run: |
+          export _NAME=$(jq ".[\"$GOOS-$GOARCH$GOARM$GOMIPS\"].friendlyName" -r < .github/build/friendly-filenames.json)
+          echo "GOOS: $GOOS, GOARCH: $GOARCH, GOARM: $GOARM, GOMIPS: $GOMIPS, RELEASE_NAME: $_NAME"
+          echo "::set-output name=ASSET_NAME::$_NAME"
+          echo "::set-output name=GIT_TAG::${GITHUB_REF##*/}"
+          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ^1.16
+
+      - name: Get project dependencies
+        run: go mod download
+ 
+      - name: Build Transfersh
+        run: |
+          mkdir -p build_assets
+          go build -tags netgo -ldflags "-X github.com/dutchcoders/transfer.sh/cmd.Version=${GITHUB_REF##*/} -a -s -w -extldflags '-static'" -o build_assets/transfersh-${GITHUB_REF##*/}-${ASSET_NAME}
+    
+      - name: Build Mips softfloat Transfersh
+        if: matrix.goarch == 'mips' || matrix.goarch == 'mipsle'
+        run: |
+          GOMIPS=softfloat go build -tags netgo -ldflags "-X github.com/dutchcoders/transfer.sh/cmd.Version=${GITHUB_REF##*/} -a -s -w -extldflags '-static'" -o build_assets/transfersh-softfloat-${GITHUB_REF##*/}-${ASSET_NAME}
+
+      - name: Rename Windows Transfersh
+        if: matrix.goos == 'windows'
+        run: |
+          cd ./build_assets || exit 1
+          mv transfersh-${GITHUB_REF##*/}-${ASSET_NAME} transfersh-${GITHUB_REF##*/}-${ASSET_NAME}.exe
+
+      - name: Prepare to release
+        run: |
+          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
+          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
+
+      - name: Create Gzip archive
+        shell: bash
+        run: |
+          pushd build_assets || exit 1
+          touch -mt $(date +%Y01010000) *
+          tar zcvf transfersh-${GITHUB_REF##*/}-${ASSET_NAME}.tar.gz *
+          mv transfersh-${GITHUB_REF##*/}-${ASSET_NAME}.tar.gz ../
+          FILE=`find . -name "transfersh-${GITHUB_REF##*/}-${ASSET_NAME}*"`
+          DGST=$FILE.sha256sum
+          echo `sha256sum $FILE` > $DGST
+          popd || exit 1
+          FILE=./transfersh-${GITHUB_REF##*/}-${ASSET_NAME}.tar.gz
+          DGST=$FILE.sha256sum
+          echo `sha256sum $FILE` > $DGST
+
+      - name: Change the name
+        run: |
+          mv build_assets transfersh-${GITHUB_REF##*/}-${ASSET_NAME}
+
+      - name: Upload files to Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: transfersh-${{ steps.get_filename.outputs.GIT_TAG }}-${{ steps.get_filename.outputs.ASSET_NAME }}
+          path: |
+            ./transfersh-${{ steps.get_filename.outputs.GIT_TAG }}-${{ steps.get_filename.outputs.ASSET_NAME }}/*
+
+      - name: Upload binaries to release
+        uses: softprops/action-gh-release@v1
+        if: github.event_name == 'release'
+        with:
+          files: |
+            ./transfersh-${{ steps.get_filename.outputs.GIT_TAG }}-${{ steps.get_filename.outputs.ASSET_NAME }}.tar.gz*
+            ./transfersh-${{ steps.get_filename.outputs.GIT_TAG }}-${{ steps.get_filename.outputs.ASSET_NAME }}/transfersh-${{ steps.get_filename.outputs.GIT_TAG }}-${{ steps.get_filename.outputs.ASSET_NAME }}*
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+

.github/workflows/test.yml

@@ -0,0 +1,30 @@
+name: test
+on:
+  pull_request:
+    branches:
+      - "*"
+  push:
+    branches:
+      - "*"
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go_version:
+          - 1.13.x
+          - 1.14.x
+          - 1.15.x
+          - 1.16.x
+    name: Test with ${{ matrix.go_version }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go_version }}
+      - name: Vet and test
+        run: |
+          go version
+          go vet ./...
+          go test ./...

.gitignore

@@ -20,3 +20,5 @@ transfersh-server/run.sh
 .elasticbeanstalk/*
 !.elasticbeanstalk/*.cfg.yml
 !.elasticbeanstalk/*.global.yml
+
+!.github/build/

.travis.yml

@@ -1,48 +0,0 @@
-language: go
-sudo: false
-
-os:
-  - linux
-
-services:
-  - docker
-
-go:
-  - 1.13.x
-  - 1.14.x
-  - 1.15.x
-  - tip
-
-env:
-  global:
-    - GO111MODULE=on
-
-install:
-  - go get -t -u -v ./...
-  - go build -v .
-  - go vet ./...
-
-script:
-  - go test ./...
-
-before_deploy:
-  - mkdir -p release
-  - "GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags -a -tags netgo -ldflags '-s -w -extldflags -static' -o release/transfersh-$TRAVIS_TAG-linux-amd64"
-  - "GOOS=linux GOARCH=arm GOARM=7 CGO_ENABLED=0 go build -ldflags -a -tags netgo -ldflags '-s -w -extldflags -static' -o release/transfersh-$TRAVIS_TAG-linux-armv7"
-  - "GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 go build -ldflags -a -tags netgo -ldflags '-s -w -extldflags -static' -o release/transfersh-$TRAVIS_TAG-darwin-amd64"
-  - "GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -ldflags -a -tags netgo -ldflags '-s -w -extldflags -static' -o release/transfersh-$TRAVIS_TAG-win-amd64.exe"
-
-deploy:
-  provider: releases
-  api_key:
-    secure: cOuMGyvrl/9GX3TZFL+Vq++2Bv5Hlb3VfXSYONfeAj+1AXI3Y+tPruy/XnWpa1MUxkvFuIhea3sUAiKfwhHip9csCmMUhDJtaTU9apsxRkyF/OFrWb7/FlbnqYuAwnp91ImvtSlnubg2VHTjhBA6ycNQF7WZcJEMVMsAtC/nSY4=
-  file:
-    - "release/transfersh-$TRAVIS_TAG-linux-amd64"
-    - "release/transfersh-$TRAVIS_TAG-linux-armv7"
-    - "release/transfersh-$TRAVIS_TAG-darwin-amd64"
-    - "release/transfersh-$TRAVIS_TAG-win-amd64.exe"
-  skip_cleanup: true
-  on:
-    tags: true
-    go: 1.15.x
-  overwrite: true

CODE_OF_CONDUCT.md

@@ -0,0 +1,24 @@
+
+# Contributor Code of Conduct
+
+As contributors and maintainers of this project, and in the interest of fostering an open and welcoming community, we pledge to respect all people who contribute through reporting issues, posting feature requests, updating documentation, submitting pull requests or patches, and other activities.
+
+We are committed to making participation in this project a harassment-free experience for everyone, regardless of level of experience, gender, gender identity and expression, sexual orientation, disability, personal appearance, body size, race, ethnicity, age, religion, or nationality.
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery
+* Personal attacks
+* Trolling or insulting/derogatory comments
+* Public or private harassment
+* Publishing other's private information, such as physical or electronic addresses, without explicit permission
+* Other unethical or unprofessional conduct
+
+Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct. By adopting this Code of Conduct, project maintainers commit themselves to fairly and consistently applying these principles to every aspect of managing this project. Project maintainers who do not follow or enforce the Code of Conduct may be permanently removed from the project team.
+
+This code of conduct applies both within project spaces and in public spaces when an individual is representing the project or its community.
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by opening an issue or contacting one or more of the project maintainers.
+
+This Code of Conduct is adapted from the [Contributor Covenant](https://www.contributor-covenant.org), version 1.2.0, available at https://www.contributor-covenant.org/version/1/2/0/code-of-conduct.html
+

Dockerfile

@@ -1,5 +1,5 @@
-# Default to Go 1.13
+# Default to Go 1.16
-ARG GO_VERSION=1.13
+ARG GO_VERSION=1.16
 FROM golang:${GO_VERSION}-alpine as build
 
 # Necessary to run 'go get' and to compile the linked binary
@@ -12,7 +12,7 @@ WORKDIR /go/src/github.com/dutchcoders/transfer.sh
 ENV GO111MODULE=on
 
 # build & install server
-RUN go get -u ./... && CGO_ENABLED=0 go build -ldflags -a -tags netgo -ldflags '-w -extldflags "-static"' -o /go/bin/transfersh github.com/dutchcoders/transfer.sh
+RUN CGO_ENABLED=0 go build -tags netgo -ldflags "-X github.com/dutchcoders/transfer.sh/cmd.Version=$(git describe --tags) -a -s -w -extldflags '-static'" -o /go/bin/transfersh
 
 FROM scratch AS final
 LABEL maintainer="Andrea Spacca <andrea.spacca@gmail.com>"

LICENSE

@@ -1,6 +1,8 @@
 The MIT License (MIT)
 
 Copyright (c) 2014-2018 DutchCoders [https://github.com/dutchcoders/]
+Copyright (c) 2018-2020 Andrea Spacca.
+Copyright (c) 2020- Andrea Spacca and Stefan Benten.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,15 +1,12 @@
-# transfer.sh [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/dutchcoders/transfer.sh?utm_source=badge&utm_medium=badge&utm_campaign=&utm_campaign=pr-badge&utm_content=badge) [![Go Report Card](https://goreportcard.com/badge/github.com/dutchcoders/transfer.sh)](https://goreportcard.com/report/github.com/dutchcoders/transfer.sh) [![Docker pulls](https://img.shields.io/docker/pulls/dutchcoders/transfer.sh.svg)](https://hub.docker.com/r/dutchcoders/transfer.sh/) [![Build Status](https://travis-ci.com/dutchcoders/transfer.sh.svg?branch=master)](https://travis-ci.com/dutchcoders/transfer.sh)
+# transfer.sh [![Go Report Card](https://goreportcard.com/badge/github.com/dutchcoders/transfer.sh)](https://goreportcard.com/report/github.com/dutchcoders/transfer.sh) [![Docker pulls](https://img.shields.io/docker/pulls/dutchcoders/transfer.sh.svg)](https://hub.docker.com/r/dutchcoders/transfer.sh/) [![Build Status](https://github.com/dutchcoders/transfer.sh/actions/workflows/test.yml/badge.svg?branch=master)](https://github.com/dutchcoders/transfer.sh/actions/workflows/test.yml?query=branch%3Amaster)
 
 Easy and fast file sharing from the command-line. This code contains the server with everything you need to create your own instance.
 
-Transfer.sh currently supports the s3 (Amazon S3), gdrive (Google Drive) providers, and local file system (local).
+Transfer.sh currently supports the s3 (Amazon S3), gdrive (Google Drive), storj (Storj) providers, and local file system (local).
 
 ## Disclaimer
-This project repository has no relation with the service at https://transfer.sh that's managed by https://storj.io.
-So far we cannot address any issue related to the service at https://transfer.sh.
-
-The service at https://transfersh.com is of unknown origin and reported as cloud malware.
 
+The service at transfersh.com is of unknown origin and reported as cloud malware.
 
 ## Usage
 
@@ -117,6 +114,7 @@ rate-limit | request per minute  | | RATE_LIMIT |
 max-upload-size | max upload size in kilobytes  | | MAX_UPLOAD_SIZE |
 purge-days | number of days after the uploads are purged automatically | | PURGE_DAYS |   
 purge-interval | interval in hours to run the automatic purge for (not applicable to S3 and Storj) | | PURGE_INTERVAL |   
+random-token-length | length of the random token for the upload path (double the size for delete path) | 6 | RANDOM_TOKEN_LENGTH |   
 
 If you want to use TLS using lets encrypt certificates, set lets-encrypt-hosts to your domain, set tls-listener to :443 and enable force-https.
 
@@ -170,22 +168,21 @@ To use the Storj Network as storage provider you need to specify the following f
 
 ### Creating Bucket and Scope
 
-In preparation you need to create a scope (or copy it from the uplink configuration) and a bucket.
+In preparation you need to create an access grant (or copy it from the uplink configuration) and a bucket.
 
-To get started, download the latest uplink from the release page: https://github.com/storj/storj/releases
+To get started, login to your account and go to the Access Grant Menu and start the Wizard on the upper right.
 
-After extracting, execute `uplink setup`. The Wizard asks for Satellite to use, the API Key 
+Enter your access grant name of choice, hit *Next* and restrict it as necessary/preferred.
-(which you can retrieve via the Satellite UI), as well as an Encryption Key.
+Aftwards continue either in CLI or within the Browser. You'll be asked for a Passphrase used as Encryption Key.
-Once the uplink is setup create the bucket using the following schema: 
+**Make sure to save it in a safe place, without it you will lose the ability to decrypt your files!**
-`uplink mb sj://<BUCKET>` where <BUCKET> is your desired name.
 
-Afterwards you can copy the SCOPE out of the configuration file of the uplink and then start the startup of the
+Afterwards you can copy the access grant and then start the startup of the transfer.sh endpoint. 
-transfer.sh endpoint. For enhanced security its recommended to provide both the scope and the bucket name as ENV Variables.
+For enhanced security its recommended to provide both the access grant and the bucket name as ENV Variables.
 
 Example:
 ```
-export STORJ_BUCKET=transfersh
+export STORJ_BUCKET=<BUCKET NAME>
-export STORJ_ACCESS=<SCOPE>
+export STORJ_ACCESS=<ACCESS GRANT>
 transfer.sh --provider storj
 ```
 
@@ -222,7 +219,12 @@ Contributions are welcome.
 
 **Andrea Spacca**
 
+**Stefan Benten**
+
 ## Copyright and license
 
 Code and documentation copyright 2011-2018 Remco Verhoef.
+Code and documentation copyright 2018-2020 Andrea Spacca.
+Code and documentation copyright 2020- Andrea Spacca and Stefan Benten.
+
 Code released under [the MIT license](LICENSE).

cmd/cmd.go

@@ -12,7 +12,8 @@ import (
 	"google.golang.org/api/googleapi"
 )
 
-var Version = "1.2.1"
+// Version is inject at build time
+var Version = "0.0.0"
 var helpTemplate = `NAME:
 {{.Name}} - {{.Usage}}
 
@@ -274,16 +275,24 @@ var globalFlags = []cli.Flag{
 		Value:  "",
 		EnvVar: "CORS_DOMAINS",
 	},
+	cli.IntFlag{
+		Name:   "random-token-length",
+		Usage:  "",
+		Value:  6,
+		EnvVar: "RANDOM_TOKEN_LENGTH",
+	},
 }
 
+// Cmd wraps cli.app
 type Cmd struct {
 	*cli.App
 }
 
-func VersionAction(c *cli.Context) {
+func versionAction(c *cli.Context) {
 	fmt.Println(color.YellowString(fmt.Sprintf("transfer.sh %s: Easy file sharing from the command line", Version)))
 }
 
+// New is the factory for transfer.sh
 func New() *Cmd {
 	logger := log.New(os.Stdout, "[transfer.sh]", log.LstdFlags)
 
@@ -298,7 +307,7 @@ func New() *Cmd {
 	app.Commands = []cli.Command{
 		{
 			Name:   "version",
-			Action: VersionAction,
+			Action: versionAction,
 		},
 	}
 
@@ -377,6 +386,9 @@ func New() *Cmd {
 			options = append(options, server.RateLimit(v))
 		}
 
+		v := c.Int("random-token-length")
+		options = append(options, server.RandomTokenLength(v))
+
 		purgeDays := c.Int("purge-days")
 		purgeInterval := c.Int("purge-interval")
 		if purgeDays > 0 && purgeInterval > 0 {
@@ -394,13 +406,13 @@ func New() *Cmd {
 		}
 
 		if c.Bool("force-https") {
-			options = append(options, server.ForceHTTPs())
+			options = append(options, server.ForceHTTPS())
 		}
 
 		if httpAuthUser := c.String("http-auth-user"); httpAuthUser == "" {
 		} else if httpAuthPass := c.String("http-auth-pass"); httpAuthPass == "" {
 		} else {
-			options = append(options, server.HttpAuthCredentials(httpAuthUser, httpAuthPass))
+			options = append(options, server.HTTPAuthCredentials(httpAuthUser, httpAuthPass))
 		}
 
 		applyIPFilter := false
@@ -436,13 +448,13 @@ func New() *Cmd {
 		case "gdrive":
 			chunkSize := c.Int("gdrive-chunk-size")
 
-			if clientJsonFilepath := c.String("gdrive-client-json-filepath"); clientJsonFilepath == "" {
+			if clientJSONFilepath := c.String("gdrive-client-json-filepath"); clientJSONFilepath == "" {
 				panic("client-json-filepath not set.")
 			} else if localConfigPath := c.String("gdrive-local-config-path"); localConfigPath == "" {
 				panic("local-config-path not set.")
 			} else if basedir := c.String("basedir"); basedir == "" {
 				panic("basedir not set.")
-			} else if storage, err := server.NewGDriveStorage(clientJsonFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {
+			} else if storage, err := server.NewGDriveStorage(clientJSONFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {
 				panic(err)
 			} else {
 				options = append(options, server.UseStorage(storage))

go.mod

@@ -1,38 +1,37 @@
 module github.com/dutchcoders/transfer.sh
 
-go 1.12
+go 1.13
 
 require (
-	cloud.google.com/go v0.54.0 // indirect
+	cloud.google.com/go v0.77.0 // indirect
 	github.com/PuerkitoBio/ghost v0.0.0-20160324114900-206e6e460e14
 	github.com/VojtechVitek/ratelimit v0.0.0-20160722140851-dc172bc0f6d2
-	github.com/aws/aws-sdk-go v1.29.24
+	github.com/aws/aws-sdk-go v1.37.14
+	github.com/calebcase/tmpfile v1.0.2 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/dutchcoders/go-clamd v0.0.0-20170520113014-b970184f4d9e
 	github.com/dutchcoders/go-virustotal v0.0.0-20140923143438-24cc8e6fa329
-	github.com/dutchcoders/transfer.sh-web v0.0.0-20190716184912-96e06a2276ba
+	github.com/dutchcoders/transfer.sh-web v0.0.0-20210819203540-bbdd40be1311
-	github.com/elazarl/go-bindata-assetfs v1.0.0
+	github.com/elazarl/go-bindata-assetfs v1.0.1
-	github.com/fatih/color v1.9.0
+	github.com/fatih/color v1.10.0
-	github.com/garyburd/redigo v1.6.0 // indirect
+	github.com/garyburd/redigo v1.6.2 // indirect
-	github.com/golang/gddo v0.0.0-20200310004957-95ce5a452273
+	github.com/golang/gddo v0.0.0-20210115222349-20d68f94ee1f
-	github.com/golang/protobuf v1.3.5 // indirect
+	github.com/gorilla/handlers v1.5.1
-	github.com/gorilla/handlers v1.4.2
+	github.com/gorilla/mux v1.8.0
-	github.com/gorilla/mux v1.7.4
 	github.com/gorilla/securecookie v1.1.1 // indirect
-	github.com/jmespath/go-jmespath v0.3.0 // indirect
+	github.com/microcosm-cc/bluemonday v1.0.5
-	github.com/mattn/go-colorable v0.1.6 // indirect
-	github.com/microcosm-cc/bluemonday v1.0.2
 	github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d // indirect
-	github.com/russross/blackfriday/v2 v2.0.1
+	github.com/russross/blackfriday/v2 v2.1.0
-	github.com/skip2/go-qrcode v0.0.0-20191027152451-9434209cb086
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/tomasen/realip v0.0.0-20180522021738-f0c99a92ddce
-	github.com/urfave/cli v1.22.3
+	github.com/urfave/cli v1.22.5
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
+	go.opencensus.io v0.22.6 // indirect
-	golang.org/x/net v0.0.0-20200301022130-244492dfa37a
+	golang.org/x/crypto v0.0.0-20210415154028-4f45737414dc
-	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
-	google.golang.org/api v0.20.0
+	golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99
-	google.golang.org/grpc v1.28.0 // indirect
+	google.golang.org/api v0.40.0
+	google.golang.org/genproto v0.0.0-20210218151259-fe80b386bf06 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15
-	storj.io/common v0.0.0-20201207172416-78f4e59925c3
+	storj.io/common v0.0.0-20210504141454-bcb03a80052f
-	storj.io/uplink v1.4.2
+	storj.io/uplink v1.5.0-rc.1.0.20210512164354-e2e5889614a9
 )

go.sum

@@ -1,29 +1,40 @@
 cloud.google.com/go v0.16.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
 cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
 cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.77.0 h1:qA5V5+uQf6Mgr+tmFI8UT3D/ELyhIYkPwNGao/3Y+sQ=
+cloud.google.com/go v0.77.0/go.mod h1:R8fYSLIilC247Iu8WS2OGHw1E/Ufn7Pd7HiDjTqiURs=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -32,34 +43,39 @@ github.com/PuerkitoBio/ghost v0.0.0-20160324114900-206e6e460e14/go.mod h1:+VFiai
 github.com/VojtechVitek/ratelimit v0.0.0-20160722140851-dc172bc0f6d2 h1:sIvihcW4qpN5qGSjmrsDDAbLpEq5tuHjJJfWY0Hud5Y=
 github.com/VojtechVitek/ratelimit v0.0.0-20160722140851-dc172bc0f6d2/go.mod h1:3YwJE8rEisS9eraee0hygGG4G3gqX8H8Nyu+nPTUnGU=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/aws/aws-sdk-go v1.29.24 h1:KOnds/LwADMDBaALL4UB98ZR+TUR1A1mYmAYbdLixLA=
+github.com/aws/aws-sdk-go v1.37.14 h1:thuR1hd1doCvsaMDYDMhqCGSmw39bSvZaw+DPGhMm5w=
-github.com/aws/aws-sdk-go v1.29.24/go.mod h1:1KvfttTE3SPKMpo8g2c6jL3ZKfXtFvKscTgahTma5Xg=
+github.com/aws/aws-sdk-go v1.37.14/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
+github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
 github.com/bradfitz/gomemcache v0.0.0-20170208213004-1952afaa557d/go.mod h1:PmM6Mmwb0LSuEubjR8N7PtNe1KxZLtOUHtbeikc5h60=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/btcutil v1.0.3-0.20201124182144-4031bdc69ded h1:WcPFZzCIqGt/TdFJHsOiX5dIlB/MUzrftltMhpjzfA8=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce h1:YtWJF7RHm2pYCvA5t0RPmAaLUhREsKuKd+SLhxFbFeQ=
-github.com/btcsuite/btcutil v1.0.3-0.20201124182144-4031bdc69ded/go.mod h1:0DVlHczLPewLcPGEIeUEzfOJhqGPQ0mJJRDBtD307+o=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce/go.mod h1:0DVlHczLPewLcPGEIeUEzfOJhqGPQ0mJJRDBtD307+o=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
 github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
 github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
-github.com/calebcase/tmpfile v1.0.2-0.20200602150926-3af473ef8439 h1:fqGdSbbWVbQqNCQXd/dyZ7Bl+u8R2X7QCiNzwgyUa/M=
 github.com/calebcase/tmpfile v1.0.2-0.20200602150926-3af473ef8439/go.mod h1:iErLeG/iqJr8LaQ/gYRv4GXdqssi3jg4iSzvrA06/lw=
+github.com/calebcase/tmpfile v1.0.2 h1:1AGuhKiUu4J6wxz6lxuF6ck3f8G2kaV6KSEny0RGCig=
+github.com/calebcase/tmpfile v1.0.2/go.mod h1:iErLeG/iqJr8LaQ/gYRv4GXdqssi3jg4iSzvrA06/lw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/chris-ramon/douceur v0.2.0 h1:IDMEdxlEUUBYBKE4z/mJnFyVXox+MjuEVDJNN27glkU=
+github.com/chris-ramon/douceur v0.2.0/go.mod h1:wDW5xjJdeoMm1mRt4sD4c/LbF/mWdEpRXQKjTR8nIBE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -68,33 +84,36 @@ github.com/dutchcoders/go-clamd v0.0.0-20170520113014-b970184f4d9e h1:rcHHSQqzCg
 github.com/dutchcoders/go-clamd v0.0.0-20170520113014-b970184f4d9e/go.mod h1:Byz7q8MSzSPkouskHJhX0er2mZY/m0Vj5bMeMCkkyY4=
 github.com/dutchcoders/go-virustotal v0.0.0-20140923143438-24cc8e6fa329 h1:ERqCkG/uSyT74P1m/j9yR+so+7ynY4fbTvLY/Mr1ZMg=
 github.com/dutchcoders/go-virustotal v0.0.0-20140923143438-24cc8e6fa329/go.mod h1:G5qOfE5bQZ5scycLpB7fYWgN4y3xdfXo+pYWM8z2epY=
-github.com/dutchcoders/transfer.sh-web v0.0.0-20190716184912-96e06a2276ba h1:474BcGUqYKnxg49p7O7i3m9EuFfOag+OtPw5b/nmGVk=
+github.com/dutchcoders/transfer.sh-web v0.0.0-20210723094506-f0946ebceb7a h1:+N7J1NK7gxKZ+X4syY1HqafUudJiR8voJGcXWkxLgAw=
-github.com/dutchcoders/transfer.sh-web v0.0.0-20190716184912-96e06a2276ba/go.mod h1:UjR1zlrq/R2Sef7e4q3TeJm4HcbLh4vRzlCEGJP+wLg=
+github.com/dutchcoders/transfer.sh-web v0.0.0-20210723094506-f0946ebceb7a/go.mod h1:F6Q37CxDh2MHr5KXkcZmNB3tdkK7v+bgE+OpBY+9ilI=
-github.com/elazarl/go-bindata-assetfs v1.0.0 h1:G/bYguwHIzWq9ZoyUQqrjTmJbbYn3j3CKKpKinvZLFk=
+github.com/dutchcoders/transfer.sh-web v0.0.0-20210819203540-bbdd40be1311 h1:/Rwuhcp8ZLUauWajAgMyy6AiVbobvD52I+/OnzThK0A=
-github.com/elazarl/go-bindata-assetfs v1.0.0/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
+github.com/dutchcoders/transfer.sh-web v0.0.0-20210819203540-bbdd40be1311/go.mod h1:F6Q37CxDh2MHr5KXkcZmNB3tdkK7v+bgE+OpBY+9ilI=
+github.com/elazarl/go-bindata-assetfs v1.0.1 h1:m0kkaHRKEu7tUIUFVwhGGGYClXvyl4RE03qmvRTNfbw=
+github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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@@ -189,23 +226,22 @@ github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
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@@ -213,46 +249,44 @@ github.com/spf13/jwalterweatherman v0.0.0-20170901151539-12bd96e66386/go.mod h1:
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@@ -275,6 +309,7 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -282,6 +317,9 @@ golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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@@ -294,6 +332,7 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -301,32 +340,51 @@ golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLL
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@@ -335,7 +393,6 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
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 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0 h1:bO/TA4OxCOummhSf10siHuG7vJOiwh7SpRpFZDkOgl4=
 google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
+google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.35.0 h1:TwIQcH3es+MojMVojxxfQ3l3OF2KzlRxML2xZq0kRo8=
+google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -459,20 +590,24 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-storj.io/common v0.0.0-20201207172416-78f4e59925c3 h1:D+rAQBzjl0Mw3VQ+1Sjv5/53I7JaIymMrkDW5DYBgRE=
+storj.io/common v0.0.0-20210504141454-bcb03a80052f h1:TwWEzxjvhnkCKUGds4HQKtAgFBjzf/C0hcA1luiNuKI=
-storj.io/common v0.0.0-20201207172416-78f4e59925c3/go.mod h1:6sepaQTRLuygvA+GNPzdgRPOB1+wFfjde76KBWofbMY=
+storj.io/common v0.0.0-20210504141454-bcb03a80052f/go.mod h1:PdP3eTld9RqSV3E4K44JSlw7Z/zNsymj9rnKuHFKhJE=
-storj.io/drpc v0.0.16 h1:9sxypc5lKi/0D69cR21BR0S21+IvXfON8L5nXMVNTwQ=
+storj.io/drpc v0.0.20 h1:nzOxsetLi0fJ8xCL92LPlYL0B6iYdDDk1Cpdbn0/r9Y=
-storj.io/drpc v0.0.16/go.mod h1:zdmQ93nx4Z35u11pQ+GAnBy4DGOK3HJCSOfeh2RryTo=
+storj.io/drpc v0.0.20/go.mod h1:eAxUDk8HWvGl9iqznpuphtZ+WIjIGPJFqNXuKHgRiMM=
-storj.io/uplink v1.4.2 h1:Kj4ubuSQfoLRC0n1cJXt1Tgns0WF1DRNMs8Luh6+rY8=
+storj.io/uplink v1.5.0-rc.1.0.20210512164354-e2e5889614a9 h1:F+A+Ki4eo3uzYXxesihRBq7PYBhU8MgfZeebd4O8hio=
-storj.io/uplink v1.4.2/go.mod h1:VoxYTP5AzJ+gnzsqptuB5Ra8Old+fVVbwLCmi4jr5y4=
+storj.io/uplink v1.5.0-rc.1.0.20210512164354-e2e5889614a9/go.mod h1:geRW2dh4rvPhgruFZbN71LSYkMmCJLpwg0y8K/uLr3Y=

server/clamav.go

@@ -2,6 +2,8 @@
 The MIT License (MIT)
 
 Copyright (c) 2014-2017 DutchCoders [https://github.com/dutchcoders/]
+Copyright (c) 2018-2020 Andrea Spacca.
+Copyright (c) 2020- Andrea Spacca and Stefan Benten.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -30,7 +32,6 @@ import (
 
 	"fmt"
 	"io"
-	"log"
 	"net/http"
 	"time"
 
@@ -58,7 +59,7 @@ func (s *Server) scanHandler(w http.ResponseWriter, r *http.Request) {
 	abort := make(chan bool)
 	response, err := c.ScanStream(reader, abort)
 	if err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, err.Error(), 500)
 		return
 	}

server/codec.go

@@ -1,65 +0,0 @@
-/*
-https://github.com/fs111/kurz.go/blob/master/src/codec.go
-
-Originally written and Copyright (c) 2011 André Kelpe
-Modifications Copyright (c) 2015 John Ko
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-package server
-
-import (
-	"math"
-	"strings"
-)
-
-const (
-	// characters used for short-urls
-	SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-	// someone set us up the bomb !!
-	BASE = int64(len(SYMBOLS))
-)
-
-// encodes a number into our *base* representation
-// TODO can this be made better with some bitshifting?
-func Encode(number int64) string {
-	rest := number % BASE
-	// strings are a bit weird in go...
-	result := string(SYMBOLS[rest])
-	if number-rest != 0 {
-		newnumber := (number - rest) / BASE
-		result = Encode(newnumber) + result
-	}
-	return result
-}
-
-// Decodes a string given in our encoding and returns the decimal
-// integer.
-func Decode(input string) int64 {
-	const floatbase = float64(BASE)
-	l := len(input)
-	var sum int = 0
-	for index := l - 1; index > -1; index -= 1 {
-		current := string(input[index])
-		pos := strings.Index(SYMBOLS, current)
-		sum = sum + (pos * int(math.Pow(floatbase, float64((l-index-1)))))
-	}
-	return int64(sum)
-}

server/handlers.go

@@ -2,6 +2,8 @@
 The MIT License (MIT)
 
 Copyright (c) 2014-2017 DutchCoders [https://github.com/dutchcoders/]
+Copyright (c) 2018-2020 Andrea Spacca.
+Copyright (c) 2020- Andrea Spacca and Stefan Benten.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -40,8 +42,6 @@ import (
 	html_template "html/template"
 	"io"
 	"io/ioutil"
-	"log"
-	"math/rand"
 	"mime"
 	"net/http"
 	"net/url"
@@ -95,6 +95,27 @@ func healthHandler(w http.ResponseWriter, r *http.Request) {
 	fmt.Fprintf(w, "Approaching Neutral Zone, all systems normal and functioning.")
 }
 
+func canContainsXSS(contentType string) bool {
+	switch {
+	case strings.Contains(contentType, "cache-manifest"):
+		fallthrough
+	case strings.Contains(contentType, "html"):
+		fallthrough
+	case strings.Contains(contentType, "rdf"):
+		fallthrough
+	case strings.Contains(contentType, "vtt"):
+		fallthrough
+	case strings.Contains(contentType, "xml"):
+		fallthrough
+	case strings.Contains(contentType, "xsl"):
+		return true
+	case strings.Contains(contentType, "x-mixed-replace"):
+		return true
+	}
+
+	return false
+}
+
 /* The preview handler will show a preview of the content for browsers (accept type text/html), and referer is not transfer.sh */
 func (s *Server) previewHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
@@ -102,10 +123,10 @@ func (s *Server) previewHandler(w http.ResponseWriter, r *http.Request) {
 	token := vars["token"]
 	filename := vars["filename"]
 
-	metadata, err := s.CheckMetadata(token, filename, false)
+	metadata, err := s.checkMetadata(token, filename, false)
 
 	if err != nil {
-		log.Printf("Error metadata: %s", err.Error())
+		s.logger.Printf("Error metadata: %s", err.Error())
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	}
@@ -177,8 +198,9 @@ func (s *Server) previewHandler(w http.ResponseWriter, r *http.Request) {
 		ContentType    string
 		Content        html_template.HTML
 		Filename       string
-		Url           string
+		URL            string
-		UrlGet        string
+		URLGet         string
+		URLRandomToken string
 		Hostname       string
 		WebAddress     string
 		ContentLength  uint64
@@ -191,6 +213,7 @@ func (s *Server) previewHandler(w http.ResponseWriter, r *http.Request) {
 		filename,
 		resolvedURL,
 		resolvedURLGet,
+		token,
 		hostname,
 		webAddress,
 		contentLength,
@@ -215,16 +238,34 @@ func (s *Server) viewHandler(w http.ResponseWriter, r *http.Request) {
 	hostname := getURL(r, s.proxyPort).Host
 	webAddress := resolveWebAddress(r, s.proxyPath, s.proxyPort)
 
+	maxUploadSize := ""
+	if s.maxUploadSize > 0 {
+		maxUploadSize = formatSize(s.maxUploadSize)
+	}
+
+	purgeTime := ""
+	if s.purgeDays > 0 {
+		purgeTime = s.purgeDays.String()
+	}
+
 	data := struct {
 		Hostname      string
 		WebAddress    string
 		GAKey         string
 		UserVoiceKey  string
+		PurgeTime     string
+		MaxUploadSize string
+		SampleToken   string
+		SampleToken2  string
 	}{
 		hostname,
 		webAddress,
 		s.gaKey,
 		s.userVoiceKey,
+		purgeTime,
+		maxUploadSize,
+		token(s.randomTokenLength),
+		token(s.randomTokenLength),
 	}
 
 	if acceptsHTML(r.Header) {
@@ -250,29 +291,25 @@ func sanitize(fileName string) string {
 
 func (s *Server) postHandler(w http.ResponseWriter, r *http.Request) {
 	if err := r.ParseMultipartForm(_24K); nil != err {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, "Error occurred copying to output stream", 500)
 		return
 	}
 
-	token := Encode(10000000 + int64(rand.Intn(1000000000)))
+	token := token(s.randomTokenLength)
 
 	w.Header().Set("Content-Type", "text/plain")
 
 	for _, fheaders := range r.MultipartForm.File {
 		for _, fheader := range fheaders {
 			filename := sanitize(fheader.Filename)
-			contentType := fheader.Header.Get("Content-Type")
+			contentType := mime.TypeByExtension(filepath.Ext(fheader.Filename))
-
-			if contentType == "" {
-				contentType = mime.TypeByExtension(filepath.Ext(fheader.Filename))
-			}
 
 			var f io.Reader
 			var err error
 
 			if f, err = fheader.Open(); err != nil {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, err.Error(), 500)
 				return
 			}
@@ -281,7 +318,7 @@ func (s *Server) postHandler(w http.ResponseWriter, r *http.Request) {
 
 			n, err := io.CopyN(&b, f, _24K+1)
 			if err != nil && err != io.EOF {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, err.Error(), 500)
 				return
 			}
@@ -292,14 +329,14 @@ func (s *Server) postHandler(w http.ResponseWriter, r *http.Request) {
 			if n > _24K {
 				file, err = ioutil.TempFile(s.tempPath, "transfer-")
 				if err != nil {
-					log.Fatal(err)
+					s.logger.Fatal(err)
 				}
 
 				n, err = io.Copy(file, io.MultiReader(&b, f))
 				if err != nil {
-					cleanTmpFile(file)
+					s.cleanTmpFile(file)
 
-					log.Printf("%s", err.Error())
+					s.logger.Printf("%s", err.Error())
 					http.Error(w, err.Error(), 500)
 					return
 				}
@@ -312,32 +349,32 @@ func (s *Server) postHandler(w http.ResponseWriter, r *http.Request) {
 			contentLength := n
 
 			if s.maxUploadSize > 0 && contentLength > s.maxUploadSize {
-				log.Print("Entity too large")
+				s.logger.Print("Entity too large")
 				http.Error(w, http.StatusText(http.StatusRequestEntityTooLarge), http.StatusRequestEntityTooLarge)
 				return
 			}
 
-			metadata := MetadataForRequest(contentType, r)
+			metadata := metadataForRequest(contentType, s.randomTokenLength, r)
 
 			buffer := &bytes.Buffer{}
 			if err := json.NewEncoder(buffer).Encode(metadata); err != nil {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, errors.New("Could not encode metadata").Error(), 500)
 
-				cleanTmpFile(file)
+				s.cleanTmpFile(file)
 				return
 			} else if err := s.storage.Put(token, fmt.Sprintf("%s.metadata", filename), buffer, "text/json", uint64(buffer.Len())); err != nil {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, errors.New("Could not save metadata").Error(), 500)
 
-				cleanTmpFile(file)
+				s.cleanTmpFile(file)
 				return
 			}
 
-			log.Printf("Uploading %s %s %d %s", token, filename, contentLength, contentType)
+			s.logger.Printf("Uploading %s %s %d %s", token, filename, contentLength, contentType)
 
 			if err = s.storage.Put(token, filename, reader, contentType, uint64(contentLength)); err != nil {
-				log.Printf("Backend storage error: %s", err.Error())
+				s.logger.Printf("Backend storage error: %s", err.Error())
 				http.Error(w, err.Error(), 500)
 				return
 
@@ -347,26 +384,26 @@ func (s *Server) postHandler(w http.ResponseWriter, r *http.Request) {
 			relativeURL, _ := url.Parse(path.Join(s.proxyPath, token, filename))
 			fmt.Fprintln(w, getURL(r, s.proxyPort).ResolveReference(relativeURL).String())
 
-			cleanTmpFile(file)
+			s.cleanTmpFile(file)
 		}
 	}
 }
 
-func cleanTmpFile(f *os.File) {
+func (s *Server) cleanTmpFile(f *os.File) {
 	if f != nil {
 		err := f.Close()
 		if err != nil {
-			log.Printf("Error closing tmpfile: %s (%s)", err, f.Name())
+			s.logger.Printf("Error closing tmpfile: %s (%s)", err, f.Name())
 		}
 
 		err = os.Remove(f.Name())
 		if err != nil {
-			log.Printf("Error removing tmpfile: %s (%s)", err, f.Name())
+			s.logger.Printf("Error removing tmpfile: %s (%s)", err, f.Name())
 		}
 	}
 }
 
-type Metadata struct {
+type metadata struct {
 	// ContentType is the original uploading content type
 	ContentType string
 	// Secret as knowledge to delete file
@@ -381,13 +418,13 @@ type Metadata struct {
 	DeletionToken string
 }
 
-func MetadataForRequest(contentType string, r *http.Request) Metadata {
+func metadataForRequest(contentType string, randomTokenLength int, r *http.Request) metadata {
-	metadata := Metadata{
+	metadata := metadata{
-		ContentType:   contentType,
+		ContentType:   strings.ToLower(contentType),
 		MaxDate:       time.Time{},
 		Downloads:     0,
 		MaxDownloads:  -1,
-		DeletionToken: Encode(10000000+int64(rand.Intn(1000000000))) + Encode(10000000+int64(rand.Intn(1000000000))),
+		DeletionToken: token(randomTokenLength) + token(randomTokenLength),
 	}
 
 	if v := r.Header.Get("Max-Downloads"); v == "" {
@@ -429,7 +466,7 @@ func (s *Server) putHandler(w http.ResponseWriter, r *http.Request) {
 
 		n, err := io.CopyN(&b, f, _24K+1)
 		if err != nil && err != io.EOF {
-			log.Printf("Error putting new file: %s", err.Error())
+			s.logger.Printf("Error putting new file: %s", err.Error())
 			http.Error(w, err.Error(), 500)
 			return
 		}
@@ -439,16 +476,16 @@ func (s *Server) putHandler(w http.ResponseWriter, r *http.Request) {
 		if n > _24K {
 			file, err = ioutil.TempFile(s.tempPath, "transfer-")
 			if err != nil {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, err.Error(), 500)
 				return
 			}
 
-			defer cleanTmpFile(file)
+			defer s.cleanTmpFile(file)
 
 			n, err = io.Copy(file, io.MultiReader(&b, f))
 			if err != nil {
-				log.Printf("%s", err.Error())
+				s.logger.Printf("%s", err.Error())
 				http.Error(w, err.Error(), 500)
 				return
 			}
@@ -462,44 +499,40 @@ func (s *Server) putHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if s.maxUploadSize > 0 && contentLength > s.maxUploadSize {
-		log.Print("Entity too large")
+		s.logger.Print("Entity too large")
 		http.Error(w, http.StatusText(http.StatusRequestEntityTooLarge), http.StatusRequestEntityTooLarge)
 		return
 	}
 
 	if contentLength == 0 {
-		log.Print("Empty content-length")
+		s.logger.Print("Empty content-length")
 		http.Error(w, errors.New("Could not upload empty file").Error(), 400)
 		return
 	}
 
-	contentType := r.Header.Get("Content-Type")
+	contentType := mime.TypeByExtension(filepath.Ext(vars["filename"]))
 
-	if contentType == "" {
+	token := token(s.randomTokenLength)
-		contentType = mime.TypeByExtension(filepath.Ext(vars["filename"]))
-	}
 
-	token := Encode(10000000 + int64(rand.Intn(1000000000)))
+	metadata := metadataForRequest(contentType, s.randomTokenLength, r)
-
-	metadata := MetadataForRequest(contentType, r)
 
 	buffer := &bytes.Buffer{}
 	if err := json.NewEncoder(buffer).Encode(metadata); err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, errors.New("Could not encode metadata").Error(), 500)
 		return
 	} else if err := s.storage.Put(token, fmt.Sprintf("%s.metadata", filename), buffer, "text/json", uint64(buffer.Len())); err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, errors.New("Could not save metadata").Error(), 500)
 		return
 	}
 
-	log.Printf("Uploading %s %s %d %s", token, filename, contentLength, contentType)
+	s.logger.Printf("Uploading %s %s %d %s", token, filename, contentLength, contentType)
 
 	var err error
 
 	if err = s.storage.Put(token, filename, reader, contentType, uint64(contentLength)); err != nil {
-		log.Printf("Error putting new file: %s", err.Error())
+		s.logger.Printf("Error putting new file: %s", err.Error())
 		http.Error(w, errors.New("Could not save file").Error(), 500)
 		return
 	}
@@ -606,7 +639,7 @@ func getURL(r *http.Request, proxyPort string) *url.URL {
 	return u
 }
 
-func (metadata Metadata) remainingLimitHeaderValues() (remainingDownloads, remainingDays string) {
+func (metadata metadata) remainingLimitHeaderValues() (remainingDownloads, remainingDays string) {
 	if metadata.MaxDate.IsZero() {
 		remainingDays = "n/a"
 	} else {
@@ -623,30 +656,29 @@ func (metadata Metadata) remainingLimitHeaderValues() (remainingDownloads, remai
 	return remainingDownloads, remainingDays
 }
 
-func (s *Server) Lock(token, filename string) error {
+func (s *Server) lock(token, filename string) {
 	key := path.Join(token, filename)
 
-	if _, ok := s.locks[key]; !ok {
+	lock, _ := s.locks.LoadOrStore(key, &sync.Mutex{})
-		s.locks[key] = &sync.Mutex{}
-	}
 
-	s.locks[key].Lock()
+	lock.(*sync.Mutex).Lock()
 
-	return nil
+	return
 }
 
-func (s *Server) Unlock(token, filename string) error {
+func (s *Server) unlock(token, filename string) {
 	key := path.Join(token, filename)
-	s.locks[key].Unlock()
 
-	return nil
+	lock, _ := s.locks.LoadOrStore(key, &sync.Mutex{})
+
+	lock.(*sync.Mutex).Unlock()
 }
 
-func (s *Server) CheckMetadata(token, filename string, increaseDownload bool) (Metadata, error) {
+func (s *Server) checkMetadata(token, filename string, increaseDownload bool) (metadata, error) {
-	s.Lock(token, filename)
+	s.lock(token, filename)
-	defer s.Unlock(token, filename)
+	defer s.unlock(token, filename)
 
-	var metadata Metadata
+	var metadata metadata
 
 	r, _, err := s.storage.Get(token, fmt.Sprintf("%s.metadata", filename))
 	if err != nil {
@@ -658,16 +690,14 @@ func (s *Server) CheckMetadata(token, filename string, increaseDownload bool) (M
 	if err := json.NewDecoder(r).Decode(&metadata); err != nil {
 		return metadata, err
 	} else if metadata.MaxDownloads != -1 && metadata.Downloads >= metadata.MaxDownloads {
-		return metadata, errors.New("MaxDownloads expired.")
+		return metadata, errors.New("maxDownloads expired")
 	} else if !metadata.MaxDate.IsZero() && time.Now().After(metadata.MaxDate) {
-		return metadata, errors.New("MaxDate expired.")
+		return metadata, errors.New("maxDate expired")
-	} else {
+	} else if metadata.MaxDownloads != -1 && increaseDownload {
 		// todo(nl5887): mutex?
 
 		// update number of downloads
-		if increaseDownload {
 		metadata.Downloads++
-		}
 
 		buffer := &bytes.Buffer{}
 		if err := json.NewEncoder(buffer).Encode(metadata); err != nil {
@@ -680,15 +710,15 @@ func (s *Server) CheckMetadata(token, filename string, increaseDownload bool) (M
 	return metadata, nil
 }
 
-func (s *Server) CheckDeletionToken(deletionToken, token, filename string) error {
+func (s *Server) checkDeletionToken(deletionToken, token, filename string) error {
-	s.Lock(token, filename)
+	s.lock(token, filename)
-	defer s.Unlock(token, filename)
+	defer s.unlock(token, filename)
 
-	var metadata Metadata
+	var metadata metadata
 
 	r, _, err := s.storage.Get(token, fmt.Sprintf("%s.metadata", filename))
 	if s.storage.IsNotExist(err) {
-		return nil
+		return errors.New("metadata doesn't exist")
 	} else if err != nil {
 		return err
 	}
@@ -698,7 +728,7 @@ func (s *Server) CheckDeletionToken(deletionToken, token, filename string) error
 	if err := json.NewDecoder(r).Decode(&metadata); err != nil {
 		return err
 	} else if metadata.DeletionToken != deletionToken {
-		return errors.New("Deletion token doesn't match.")
+		return errors.New("deletion token doesn't match")
 	}
 
 	return nil
@@ -711,7 +741,7 @@ func (s *Server) purgeHandler() {
 			select {
 			case <-ticker.C:
 				err := s.storage.Purge(s.purgeDays)
-				log.Printf("error cleaning up expired files: %v", err)
+				s.logger.Printf("error cleaning up expired files: %v", err)
 			}
 		}
 	}()
@@ -724,8 +754,8 @@ func (s *Server) deleteHandler(w http.ResponseWriter, r *http.Request) {
 	filename := vars["filename"]
 	deletionToken := vars["deletionToken"]
 
-	if err := s.CheckDeletionToken(deletionToken, token, filename); err != nil {
+	if err := s.checkDeletionToken(deletionToken, token, filename); err != nil {
-		log.Printf("Error metadata: %s", err.Error())
+		s.logger.Printf("Error metadata: %s", err.Error())
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	}
@@ -735,7 +765,7 @@ func (s *Server) deleteHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	} else if err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, "Could not delete file.", 500)
 		return
 	}
@@ -760,8 +790,8 @@ func (s *Server) zipHandler(w http.ResponseWriter, r *http.Request) {
 		token := strings.Split(key, "/")[0]
 		filename := sanitize(strings.Split(key, "/")[1])
 
-		if _, err := s.CheckMetadata(token, filename, true); err != nil {
+		if _, err := s.checkMetadata(token, filename, true); err != nil {
-			log.Printf("Error metadata: %s", err.Error())
+			s.logger.Printf("Error metadata: %s", err.Error())
 			continue
 		}
 
@@ -771,12 +801,12 @@ func (s *Server) zipHandler(w http.ResponseWriter, r *http.Request) {
 			if s.storage.IsNotExist(err) {
 				http.Error(w, "File not found", 404)
 				return
-			} else {
+			}
-				log.Printf("%s", err.Error())
+
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Could not retrieve file.", 500)
 			return
 		}
-		}
 
 		defer reader.Close()
 
@@ -790,20 +820,20 @@ func (s *Server) zipHandler(w http.ResponseWriter, r *http.Request) {
 		fw, err := zw.CreateHeader(header)
 
 		if err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
 
 		if _, err = io.Copy(fw, reader); err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
 	}
 
 	if err := zw.Close(); err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, "Internal server error.", 500)
 		return
 	}
@@ -832,8 +862,8 @@ func (s *Server) tarGzHandler(w http.ResponseWriter, r *http.Request) {
 		token := strings.Split(key, "/")[0]
 		filename := sanitize(strings.Split(key, "/")[1])
 
-		if _, err := s.CheckMetadata(token, filename, true); err != nil {
+		if _, err := s.checkMetadata(token, filename, true); err != nil {
-			log.Printf("Error metadata: %s", err.Error())
+			s.logger.Printf("Error metadata: %s", err.Error())
 			continue
 		}
 
@@ -842,12 +872,12 @@ func (s *Server) tarGzHandler(w http.ResponseWriter, r *http.Request) {
 			if s.storage.IsNotExist(err) {
 				http.Error(w, "File not found", 404)
 				return
-			} else {
+			}
-				log.Printf("%s", err.Error())
+
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Could not retrieve file.", 500)
 			return
 		}
-		}
 
 		defer reader.Close()
 
@@ -858,13 +888,13 @@ func (s *Server) tarGzHandler(w http.ResponseWriter, r *http.Request) {
 
 		err = zw.WriteHeader(header)
 		if err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
 
 		if _, err = io.Copy(zw, reader); err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
@@ -891,8 +921,8 @@ func (s *Server) tarHandler(w http.ResponseWriter, r *http.Request) {
 		token := strings.Split(key, "/")[0]
 		filename := strings.Split(key, "/")[1]
 
-		if _, err := s.CheckMetadata(token, filename, true); err != nil {
+		if _, err := s.checkMetadata(token, filename, true); err != nil {
-			log.Printf("Error metadata: %s", err.Error())
+			s.logger.Printf("Error metadata: %s", err.Error())
 			continue
 		}
 
@@ -901,12 +931,12 @@ func (s *Server) tarHandler(w http.ResponseWriter, r *http.Request) {
 			if s.storage.IsNotExist(err) {
 				http.Error(w, "File not found", 404)
 				return
-			} else {
+			}
-				log.Printf("%s", err.Error())
+
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Could not retrieve file.", 500)
 			return
 		}
-		}
 
 		defer reader.Close()
 
@@ -917,13 +947,13 @@ func (s *Server) tarHandler(w http.ResponseWriter, r *http.Request) {
 
 		err = zw.WriteHeader(header)
 		if err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
 
 		if _, err = io.Copy(zw, reader); err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Internal server error.", 500)
 			return
 		}
@@ -936,10 +966,10 @@ func (s *Server) headHandler(w http.ResponseWriter, r *http.Request) {
 	token := vars["token"]
 	filename := vars["filename"]
 
-	metadata, err := s.CheckMetadata(token, filename, false)
+	metadata, err := s.checkMetadata(token, filename, false)
 
 	if err != nil {
-		log.Printf("Error metadata: %s", err.Error())
+		s.logger.Printf("Error metadata: %s", err.Error())
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	}
@@ -950,7 +980,7 @@ func (s *Server) headHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	} else if err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, "Could not retrieve file.", 500)
 		return
 	}
@@ -971,10 +1001,10 @@ func (s *Server) getHandler(w http.ResponseWriter, r *http.Request) {
 	token := vars["token"]
 	filename := vars["filename"]
 
-	metadata, err := s.CheckMetadata(token, filename, true)
+	metadata, err := s.checkMetadata(token, filename, true)
 
 	if err != nil {
-		log.Printf("Error metadata: %s", err.Error())
+		s.logger.Printf("Error metadata: %s", err.Error())
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	}
@@ -985,7 +1015,7 @@ func (s *Server) getHandler(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
 		return
 	} else if err != nil {
-		log.Printf("%s", err.Error())
+		s.logger.Printf("%s", err.Error())
 		http.Error(w, "Could not retrieve file.", 500)
 		return
 	}
@@ -1009,46 +1039,44 @@ func (s *Server) getHandler(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("X-Remaining-Downloads", remainingDownloads)
 	w.Header().Set("X-Remaining-Days", remainingDays)
 
-	if w.Header().Get("Range") == "" {
+	if disposition == "inline" && canContainsXSS(contentType) {
-		if _, err = io.Copy(w, reader); err != nil {
+		reader = ioutil.NopCloser(bluemonday.UGCPolicy().SanitizeReader(reader))
-			log.Printf("%s", err.Error())
-			http.Error(w, "Error occurred copying to output stream", 500)
-			return
-		}
-
-		return
 	}
 
+	if w.Header().Get("Range") != "" || strings.HasPrefix(metadata.ContentType, "video") || strings.HasPrefix(metadata.ContentType, "audio") {
 		file, err := ioutil.TempFile(s.tempPath, "range-")
 		if err != nil {
-		log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Error occurred copying to output stream", 500)
 			return
 		}
 
-	defer cleanTmpFile(file)
+		defer s.cleanTmpFile(file)
-
-	tee := io.TeeReader(reader, file)
-	for {
-		b := make([]byte, _5M)
-		_, err = tee.Read(b)
-		if err == io.EOF {
-			break
-		}
 
+		_, err = io.Copy(file, reader)
 		if err != nil {
-			log.Printf("%s", err.Error())
+			s.logger.Printf("%s", err.Error())
 			http.Error(w, "Error occurred copying to output stream", 500)
 			return
 		}
-	}
 
 		http.ServeContent(w, r, filename, time.Now(), file)
+		return
+	}
+
+	if _, err = io.Copy(w, reader); err != nil {
+		s.logger.Printf("%s", err.Error())
+		http.Error(w, "Error occurred copying to output stream", 500)
+		return
+	}
+
+	return
 }
 
+// RedirectHandler handles redirect
 func (s *Server) RedirectHandler(h http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if !s.forceHTTPs {
+		if !s.forceHTTPS {
 			// we don't want to enforce https
 		} else if r.URL.Path == "/health.html" {
 			// health check url won't redirect
@@ -1068,17 +1096,17 @@ func (s *Server) RedirectHandler(h http.Handler) http.HandlerFunc {
 	}
 }
 
-// Create a log handler for every request it receives.
+// LoveHandler Create a log handler for every request it receives.
 func LoveHandler(h http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("x-made-with", "<3 by DutchCoders")
 		w.Header().Set("x-served-by", "Proudly served by DutchCoders")
-		w.Header().Set("Server", "Transfer.sh HTTP Server 1.0")
+		w.Header().Set("server", "Transfer.sh HTTP Server")
 		h.ServeHTTP(w, r)
 	}
 }
 
-func IPFilterHandler(h http.Handler, ipFilterOptions *IPFilterOptions) http.HandlerFunc {
+func ipFilterHandler(h http.Handler, ipFilterOptions *IPFilterOptions) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if ipFilterOptions == nil {
 			h.ServeHTTP(w, r)
@@ -1089,7 +1117,7 @@ func IPFilterHandler(h http.Handler, ipFilterOptions *IPFilterOptions) http.Hand
 	}
 }
 
-func (s *Server) BasicAuthHandler(h http.Handler) http.HandlerFunc {
+func (s *Server) basicAuthHandler(h http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if s.AuthUser == "" || s.AuthPass == "" {
 			h.ServeHTTP(w, r)

server/handlers_test.go

@@ -13,16 +13,16 @@ import (
 func Test(t *testing.T) { TestingT(t) }
 
 var (
-	_ = Suite(&SuiteRedirectWithForceHTTPs{})
+	_ = Suite(&suiteRedirectWithForceHTTPS{})
-	_ = Suite(&SuiteRedirectWithoutForceHTTPs{})
+	_ = Suite(&suiteRedirectWithoutForceHTTPS{})
 )
 
-type SuiteRedirectWithForceHTTPs struct {
+type suiteRedirectWithForceHTTPS struct {
 	handler http.HandlerFunc
 }
 
-func (s *SuiteRedirectWithForceHTTPs) SetUpTest(c *C) {
+func (s *suiteRedirectWithForceHTTPS) SetUpTest(c *C) {
-	srvr, err := New(ForceHTTPs())
+	srvr, err := New(ForceHTTPS())
 	c.Assert(err, IsNil)
 
 	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -32,7 +32,7 @@ func (s *SuiteRedirectWithForceHTTPs) SetUpTest(c *C) {
 	s.handler = srvr.RedirectHandler(handler)
 }
 
-func (s *SuiteRedirectWithForceHTTPs) TestHTTPs(c *C) {
+func (s *suiteRedirectWithForceHTTPS) TestHTTPs(c *C) {
 	req := httptest.NewRequest("GET", "https://test/test", nil)
 
 	w := httptest.NewRecorder()
@@ -42,7 +42,7 @@ func (s *SuiteRedirectWithForceHTTPs) TestHTTPs(c *C) {
 	c.Assert(resp.StatusCode, Equals, http.StatusOK)
 }
 
-func (s *SuiteRedirectWithForceHTTPs) TestOnion(c *C) {
+func (s *suiteRedirectWithForceHTTPS) TestOnion(c *C) {
 	req := httptest.NewRequest("GET", "http://test.onion/test", nil)
 
 	w := httptest.NewRecorder()
@@ -52,7 +52,7 @@ func (s *SuiteRedirectWithForceHTTPs) TestOnion(c *C) {
 	c.Assert(resp.StatusCode, Equals, http.StatusOK)
 }
 
-func (s *SuiteRedirectWithForceHTTPs) TestXForwardedFor(c *C) {
+func (s *suiteRedirectWithForceHTTPS) TestXForwardedFor(c *C) {
 	req := httptest.NewRequest("GET", "http://127.0.0.1/test", nil)
 	req.Header.Set("X-Forwarded-Proto", "https")
 
@@ -63,7 +63,7 @@ func (s *SuiteRedirectWithForceHTTPs) TestXForwardedFor(c *C) {
 	c.Assert(resp.StatusCode, Equals, http.StatusOK)
 }
 
-func (s *SuiteRedirectWithForceHTTPs) TestHTTP(c *C) {
+func (s *suiteRedirectWithForceHTTPS) TestHTTP(c *C) {
 	req := httptest.NewRequest("GET", "http://127.0.0.1/test", nil)
 
 	w := httptest.NewRecorder()
@@ -74,11 +74,11 @@ func (s *SuiteRedirectWithForceHTTPs) TestHTTP(c *C) {
 	c.Assert(resp.Header.Get("Location"), Equals, "https://127.0.0.1/test")
 }
 
-type SuiteRedirectWithoutForceHTTPs struct {
+type suiteRedirectWithoutForceHTTPS struct {
 	handler http.HandlerFunc
 }
 
-func (s *SuiteRedirectWithoutForceHTTPs) SetUpTest(c *C) {
+func (s *suiteRedirectWithoutForceHTTPS) SetUpTest(c *C) {
 	srvr, err := New()
 	c.Assert(err, IsNil)
 
@@ -89,7 +89,7 @@ func (s *SuiteRedirectWithoutForceHTTPs) SetUpTest(c *C) {
 	s.handler = srvr.RedirectHandler(handler)
 }
 
-func (s *SuiteRedirectWithoutForceHTTPs) TestHTTP(c *C) {
+func (s *suiteRedirectWithoutForceHTTPS) TestHTTP(c *C) {
 	req := httptest.NewRequest("GET", "http://127.0.0.1/test", nil)
 
 	w := httptest.NewRecorder()
@@ -99,7 +99,7 @@ func (s *SuiteRedirectWithoutForceHTTPs) TestHTTP(c *C) {
 	c.Assert(resp.StatusCode, Equals, http.StatusOK)
 }
 
-func (s *SuiteRedirectWithoutForceHTTPs) TestHTTPs(c *C) {
+func (s *suiteRedirectWithoutForceHTTPS) TestHTTPs(c *C) {
 	req := httptest.NewRequest("GET", "https://127.0.0.1/test", nil)
 
 	w := httptest.NewRecorder()

server/ip_filter.go

@@ -21,7 +21,7 @@ import (
 	"github.com/tomasen/realip"
 )
 
-//IPFilterOptions for IPFilter. Allowed takes precendence over Blocked.
+//IPFilterOptions for ipFilter. Allowed takes precedence over Blocked.
 //IPs can be IPv4 or IPv6 and can optionally contain subnet
 //masks (/24). Note however, determining if a given IP is
 //included in a subnet requires a linear scan so is less performant
@@ -43,7 +43,8 @@ type IPFilterOptions struct {
 	}
 }
 
-type IPFilter struct {
+// ipFilter
+type ipFilter struct {
 	opts IPFilterOptions
 	//mut protects the below
 	//rw since writes are rare
@@ -59,13 +60,12 @@ type subnet struct {
 	allowed bool
 }
 
-//New constructs IPFilter instance.
+func newIPFilter(opts IPFilterOptions) *ipFilter {
-func NewIPFilter(opts IPFilterOptions) *IPFilter {
 	if opts.Logger == nil {
 		flags := log.LstdFlags
 		opts.Logger = log.New(os.Stdout, "", flags)
 	}
-	f := &IPFilter{
+	f := &ipFilter{
 		opts:           opts,
 		ips:            map[string]bool{},
 		defaultAllowed: !opts.BlockByDefault,
@@ -79,15 +79,15 @@ func NewIPFilter(opts IPFilterOptions) *IPFilter {
 	return f
 }
 
-func (f *IPFilter) AllowIP(ip string) bool {
+func (f *ipFilter) AllowIP(ip string) bool {
 	return f.ToggleIP(ip, true)
 }
 
-func (f *IPFilter) BlockIP(ip string) bool {
+func (f *ipFilter) BlockIP(ip string) bool {
 	return f.ToggleIP(ip, false)
 }
 
-func (f *IPFilter) ToggleIP(str string, allowed bool) bool {
+func (f *ipFilter) ToggleIP(str string, allowed bool) bool {
 	//check if has subnet
 	if ip, net, err := net.ParseCIDR(str); err == nil {
 		// containing only one ip?
@@ -128,19 +128,19 @@ func (f *IPFilter) ToggleIP(str string, allowed bool) bool {
 }
 
 //ToggleDefault alters the default setting
-func (f *IPFilter) ToggleDefault(allowed bool) {
+func (f *ipFilter) ToggleDefault(allowed bool) {
 	f.mut.Lock()
 	f.defaultAllowed = allowed
 	f.mut.Unlock()
 }
 
 //Allowed returns if a given IP can pass through the filter
-func (f *IPFilter) Allowed(ipstr string) bool {
+func (f *ipFilter) Allowed(ipstr string) bool {
 	return f.NetAllowed(net.ParseIP(ipstr))
 }
 
 //NetAllowed returns if a given net.IP can pass through the filter
-func (f *IPFilter) NetAllowed(ip net.IP) bool {
+func (f *ipFilter) NetAllowed(ip net.IP) bool {
 	//invalid ip
 	if ip == nil {
 		return false
@@ -173,35 +173,35 @@ func (f *IPFilter) NetAllowed(ip net.IP) bool {
 }
 
 //Blocked returns if a given IP can NOT pass through the filter
-func (f *IPFilter) Blocked(ip string) bool {
+func (f *ipFilter) Blocked(ip string) bool {
 	return !f.Allowed(ip)
 }
 
 //NetBlocked returns if a given net.IP can NOT pass through the filter
-func (f *IPFilter) NetBlocked(ip net.IP) bool {
+func (f *ipFilter) NetBlocked(ip net.IP) bool {
 	return !f.NetAllowed(ip)
 }
 
 //WrapIPFilter the provided handler with simple IP blocking middleware
 //using this IP filter and its configuration
-func (f *IPFilter) Wrap(next http.Handler) http.Handler {
+func (f *ipFilter) Wrap(next http.Handler) http.Handler {
-	return &ipFilterMiddleware{IPFilter: f, next: next}
+	return &ipFilterMiddleware{ipFilter: f, next: next}
 }
 
-//WrapIPFilter is equivalent to NewIPFilter(opts) then Wrap(next)
+//WrapIPFilter is equivalent to newIPFilter(opts) then Wrap(next)
 func WrapIPFilter(next http.Handler, opts IPFilterOptions) http.Handler {
-	return NewIPFilter(opts).Wrap(next)
+	return newIPFilter(opts).Wrap(next)
 }
 
 type ipFilterMiddleware struct {
-	*IPFilter
+	*ipFilter
 	next http.Handler
 }
 
 func (m *ipFilterMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	remoteIP := realip.FromRequest(r)
 
-	if !m.IPFilter.Allowed(remoteIP) {
+	if !m.ipFilter.Allowed(remoteIP) {
 		//show simple forbidden text
 		http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
 		return

server/server.go

@@ -48,6 +48,7 @@ import (
 	"github.com/VojtechVitek/ratelimit/memory"
 	"github.com/gorilla/mux"
 
+	// import pprof
 	_ "net/http/pprof"
 
 	"crypto/tls"
@@ -59,28 +60,30 @@ import (
 	"path/filepath"
 )
 
-const SERVER_INFO = "transfer.sh"
-
 // parse request with maximum memory of _24Kilobits
 const _24K = (1 << 3) * 24
 
 // parse request with maximum memory of _5Megabytes
 const _5M = (1 << 20) * 5
 
+// OptionFn is the option function type
 type OptionFn func(*Server)
 
+// ClamavHost sets clamav host
 func ClamavHost(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.ClamAVDaemonHost = s
 	}
 }
 
+// VirustotalKey sets virus total key
 func VirustotalKey(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.VirusTotalKey = s
 	}
 }
 
+// Listener set listener
 func Listener(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.ListenerString = s
@@ -88,6 +91,7 @@ func Listener(s string) OptionFn {
 
 }
 
+// CorsDomains sets CORS domains
 func CorsDomains(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.CorsDomains = s
@@ -95,18 +99,21 @@ func CorsDomains(s string) OptionFn {
 
 }
 
+// GoogleAnalytics sets GA key
 func GoogleAnalytics(gaKey string) OptionFn {
 	return func(srvr *Server) {
 		srvr.gaKey = gaKey
 	}
 }
 
+// UserVoice sets UV key
 func UserVoice(userVoiceKey string) OptionFn {
 	return func(srvr *Server) {
 		srvr.userVoiceKey = userVoiceKey
 	}
 }
 
+// TLSListener sets TLS listener and option
 func TLSListener(s string, t bool) OptionFn {
 	return func(srvr *Server) {
 		srvr.TLSListenerString = s
@@ -115,12 +122,14 @@ func TLSListener(s string, t bool) OptionFn {
 
 }
 
+// ProfileListener sets profile listener
 func ProfileListener(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.ProfileListenerString = s
 	}
 }
 
+// WebPath sets web path
 func WebPath(s string) OptionFn {
 	return func(srvr *Server) {
 		if s[len(s)-1:] != "/" {
@@ -131,6 +140,7 @@ func WebPath(s string) OptionFn {
 	}
 }
 
+// ProxyPath sets proxy path
 func ProxyPath(s string) OptionFn {
 	return func(srvr *Server) {
 		if s[len(s)-1:] != "/" {
@@ -141,12 +151,14 @@ func ProxyPath(s string) OptionFn {
 	}
 }
 
+// ProxyPort sets proxy port
 func ProxyPort(s string) OptionFn {
 	return func(srvr *Server) {
 		srvr.proxyPort = s
 	}
 }
 
+// TempPath sets temp path
 func TempPath(s string) OptionFn {
 	return func(srvr *Server) {
 		if s[len(s)-1:] != "/" {
@@ -157,11 +169,12 @@ func TempPath(s string) OptionFn {
 	}
 }
 
+// LogFile sets log file
 func LogFile(logger *log.Logger, s string) OptionFn {
 	return func(srvr *Server) {
 		f, err := os.OpenFile(s, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
 		if err != nil {
-			log.Fatalf("error opening file: %v", err)
+			logger.Fatalf("error opening file: %v", err)
 		}
 
 		logger.SetOutput(f)
@@ -169,24 +182,36 @@ func LogFile(logger *log.Logger, s string) OptionFn {
 	}
 }
 
+// Logger sets logger
 func Logger(logger *log.Logger) OptionFn {
 	return func(srvr *Server) {
 		srvr.logger = logger
 	}
 }
 
+// MaxUploadSize sets max upload size
 func MaxUploadSize(kbytes int64) OptionFn {
 	return func(srvr *Server) {
 		srvr.maxUploadSize = kbytes * 1024
 	}
 
 }
+
+// RateLimit set rate limit
 func RateLimit(requests int) OptionFn {
 	return func(srvr *Server) {
 		srvr.rateLimitRequests = requests
 	}
 }
 
+// RandomTokenLength sets random token length
+func RandomTokenLength(length int) OptionFn {
+	return func(srvr *Server) {
+		srvr.randomTokenLength = length
+	}
+}
+
+// Purge sets purge days and option
 func Purge(days, interval int) OptionFn {
 	return func(srvr *Server) {
 		srvr.purgeDays = time.Duration(days) * time.Hour * 24
@@ -194,24 +219,28 @@ func Purge(days, interval int) OptionFn {
 	}
 }
 
-func ForceHTTPs() OptionFn {
+// ForceHTTPS sets forcing https
+func ForceHTTPS() OptionFn {
 	return func(srvr *Server) {
-		srvr.forceHTTPs = true
+		srvr.forceHTTPS = true
 	}
 }
 
+// EnableProfiler sets enable profiler
 func EnableProfiler() OptionFn {
 	return func(srvr *Server) {
 		srvr.profilerEnabled = true
 	}
 }
 
+// UseStorage set storage to use
 func UseStorage(s Storage) OptionFn {
 	return func(srvr *Server) {
 		srvr.storage = s
 	}
 }
 
+// UseLetsEncrypt set letsencrypt usage
 func UseLetsEncrypt(hosts []string) OptionFn {
 	return func(srvr *Server) {
 		cacheDir := "./cache/"
@@ -240,6 +269,7 @@ func UseLetsEncrypt(hosts []string) OptionFn {
 	}
 }
 
+// TLSConfig sets TLS config
 func TLSConfig(cert, pk string) OptionFn {
 	certificate, err := tls.LoadX509KeyPair(cert, pk)
 	return func(srvr *Server) {
@@ -251,13 +281,15 @@ func TLSConfig(cert, pk string) OptionFn {
 	}
 }
 
-func HttpAuthCredentials(user string, pass string) OptionFn {
+// HTTPAuthCredentials sets basic http auth credentials
+func HTTPAuthCredentials(user string, pass string) OptionFn {
 	return func(srvr *Server) {
 		srvr.AuthUser = user
 		srvr.AuthPass = pass
 	}
 }
 
+// FilterOptions sets ip filtering
 func FilterOptions(options IPFilterOptions) OptionFn {
 	for i, allowedIP := range options.AllowedIPs {
 		options.AllowedIPs[i] = strings.TrimSpace(allowedIP)
@@ -272,6 +304,7 @@ func FilterOptions(options IPFilterOptions) OptionFn {
 	}
 }
 
+// Server is the main application
 type Server struct {
 	AuthUser string
 	AuthPass string
@@ -282,7 +315,7 @@ type Server struct {
 
 	profilerEnabled bool
 
-	locks map[string]*sync.Mutex
+	locks sync.Map
 
 	maxUploadSize     int64
 	rateLimitRequests int
@@ -292,7 +325,9 @@ type Server struct {
 
 	storage Storage
 
-	forceHTTPs bool
+	forceHTTPS bool
+
+	randomTokenLength int
 
 	ipFilterOptions *IPFilterOptions
 
@@ -319,9 +354,10 @@ type Server struct {
 	LetsEncryptCache string
 }
 
+// New is the factory fot Server
 func New(options ...OptionFn) (*Server, error) {
 	s := &Server{
-		locks: map[string]*sync.Mutex{},
+		locks: sync.Map{},
 	}
 
 	for _, optionFn := range options {
@@ -339,6 +375,7 @@ func init() {
 	rand.Seed(int64(binary.LittleEndian.Uint64(seedBytes[:])))
 }
 
+// Run starts Server
 func (s *Server) Run() {
 	listening := false
 
@@ -394,7 +431,7 @@ func (s *Server) Run() {
 	r.HandleFunc("/favicon.ico", staticHandler.ServeHTTP).Methods("GET")
 	r.HandleFunc("/robots.txt", staticHandler.ServeHTTP).Methods("GET")
 
-	r.HandleFunc("/{filename:(?:favicon\\.ico|robots\\.txt|health\\.html)}", s.BasicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
+	r.HandleFunc("/{filename:(?:favicon\\.ico|robots\\.txt|health\\.html)}", s.basicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
 
 	r.HandleFunc("/health.html", healthHandler).Methods("GET")
 	r.HandleFunc("/", s.viewHandler).Methods("GET")
@@ -438,10 +475,10 @@ func (s *Server) Run() {
 
 	r.HandleFunc("/{filename}/virustotal", s.virusTotalHandler).Methods("PUT")
 	r.HandleFunc("/{filename}/scan", s.scanHandler).Methods("PUT")
-	r.HandleFunc("/put/{filename}", s.BasicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
+	r.HandleFunc("/put/{filename}", s.basicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
-	r.HandleFunc("/upload/{filename}", s.BasicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
+	r.HandleFunc("/upload/{filename}", s.basicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
-	r.HandleFunc("/{filename}", s.BasicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
+	r.HandleFunc("/{filename}", s.basicAuthHandler(http.HandlerFunc(s.putHandler))).Methods("PUT")
-	r.HandleFunc("/", s.BasicAuthHandler(http.HandlerFunc(s.postHandler))).Methods("POST")
+	r.HandleFunc("/", s.basicAuthHandler(http.HandlerFunc(s.postHandler))).Methods("POST")
 	// r.HandleFunc("/{page}", viewHandler).Methods("GET")
 
 	r.HandleFunc("/{token}/{filename}/{deletionToken}", s.deleteHandler).Methods("DELETE")
@@ -466,7 +503,7 @@ func (s *Server) Run() {
 	}
 
 	h := handlers.PanicHandler(
-		IPFilterHandler(
+		ipFilterHandler(
 			handlers.LogHandler(
 				LoveHandler(
 					s.RedirectHandler(cors(r))),

server/storage.go

@@ -27,31 +27,43 @@ import (
 	"storj.io/uplink"
 )
 
+// Storage is the interface for storage operation
 type Storage interface {
+	// Get retrieves a file from storage
 	Get(token string, filename string) (reader io.ReadCloser, contentLength uint64, err error)
+	// Head retrieves content length of a file from storage
 	Head(token string, filename string) (contentLength uint64, err error)
+	// Put saves a file on storage
 	Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) error
+	// Delete removes a file from storage
 	Delete(token string, filename string) error
+	// IsNotExist indicates if a file doesn't exist on storage
 	IsNotExist(err error) bool
+	// Purge cleans up the storage
 	Purge(days time.Duration) error
 
+	// Type returns the storage type
 	Type() string
 }
 
+// LocalStorage is a local storage
 type LocalStorage struct {
 	Storage
 	basedir string
 	logger  *log.Logger
 }
 
+// NewLocalStorage is the factory for LocalStorage
 func NewLocalStorage(basedir string, logger *log.Logger) (*LocalStorage, error) {
 	return &LocalStorage{basedir: basedir, logger: logger}, nil
 }
 
+// Type returns the storage type
 func (s *LocalStorage) Type() string {
 	return "local"
 }
 
+// Head retrieves content length of a file from storage
 func (s *LocalStorage) Head(token string, filename string) (contentLength uint64, err error) {
 	path := filepath.Join(s.basedir, token, filename)
 
@@ -65,6 +77,7 @@ func (s *LocalStorage) Head(token string, filename string) (contentLength uint64
 	return
 }
 
+// Get retrieves a file from storage
 func (s *LocalStorage) Get(token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
 	path := filepath.Join(s.basedir, token, filename)
 
@@ -83,6 +96,7 @@ func (s *LocalStorage) Get(token string, filename string) (reader io.ReadCloser,
 	return
 }
 
+// Delete removes a file from storage
 func (s *LocalStorage) Delete(token string, filename string) (err error) {
 	metadata := filepath.Join(s.basedir, token, fmt.Sprintf("%s.metadata", filename))
 	os.Remove(metadata)
@@ -92,6 +106,7 @@ func (s *LocalStorage) Delete(token string, filename string) (err error) {
 	return
 }
 
+// Purge cleans up the storage
 func (s *LocalStorage) Purge(days time.Duration) (err error) {
 	err = filepath.Walk(s.basedir,
 		func(path string, info os.FileInfo, err error) error {
@@ -113,6 +128,7 @@ func (s *LocalStorage) Purge(days time.Duration) (err error) {
 	return
 }
 
+// IsNotExist indicates if a file doesn't exist on storage
 func (s *LocalStorage) IsNotExist(err error) bool {
 	if err == nil {
 		return false
@@ -121,6 +137,7 @@ func (s *LocalStorage) IsNotExist(err error) bool {
 	return os.IsNotExist(err)
 }
 
+// Put saves a file on storage
 func (s *LocalStorage) Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
 	var f io.WriteCloser
 	var err error
@@ -144,6 +161,7 @@ func (s *LocalStorage) Put(token string, filename string, reader io.Reader, cont
 	return nil
 }
 
+// S3Storage is a storage backed by AWS S3
 type S3Storage struct {
 	Storage
 	bucket      string
@@ -154,6 +172,7 @@ type S3Storage struct {
 	noMultipart bool
 }
 
+// NewS3Storage is the factory for S3Storage
 func NewS3Storage(accessKey, secretKey, bucketName string, purgeDays int, region, endpoint string, disableMultipart bool, forcePathStyle bool, logger *log.Logger) (*S3Storage, error) {
 	sess := getAwsSession(accessKey, secretKey, region, endpoint, forcePathStyle)
 
@@ -167,10 +186,12 @@ func NewS3Storage(accessKey, secretKey, bucketName string, purgeDays int, region
 	}, nil
 }
 
+// Type returns the storage type
 func (s *S3Storage) Type() string {
 	return "s3"
 }
 
+// Head retrieves content length of a file from storage
 func (s *S3Storage) Head(token string, filename string) (contentLength uint64, err error) {
 	key := fmt.Sprintf("%s/%s", token, filename)
 
@@ -192,11 +213,13 @@ func (s *S3Storage) Head(token string, filename string) (contentLength uint64, e
 	return
 }
 
+// Purge cleans up the storage
 func (s *S3Storage) Purge(days time.Duration) (err error) {
 	// NOOP expiration is set at upload time
 	return nil
 }
 
+// IsNotExist indicates if a file doesn't exist on storage
 func (s *S3Storage) IsNotExist(err error) bool {
 	if err == nil {
 		return false
@@ -212,6 +235,7 @@ func (s *S3Storage) IsNotExist(err error) bool {
 	return false
 }
 
+// Get retrieves a file from storage
 func (s *S3Storage) Get(token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
 	key := fmt.Sprintf("%s/%s", token, filename)
 
@@ -233,6 +257,7 @@ func (s *S3Storage) Get(token string, filename string) (reader io.ReadCloser, co
 	return
 }
 
+// Delete removes a file from storage
 func (s *S3Storage) Delete(token string, filename string) (err error) {
 	metadata := fmt.Sprintf("%s/%s.metadata", token, filename)
 	deleteRequest := &s3.DeleteObjectInput{
@@ -256,6 +281,7 @@ func (s *S3Storage) Delete(token string, filename string) (err error) {
 	return
 }
 
+// Put saves a file on storage
 func (s *S3Storage) Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
 	key := fmt.Sprintf("%s/%s", token, filename)
 
@@ -273,27 +299,34 @@ func (s *S3Storage) Put(token string, filename string, reader io.Reader, content
 		u.LeavePartsOnError = false
 	})
 
+	var expire *time.Time
+	if s.purgeDays.Hours() > 0 {
+		expire = aws.Time(time.Now().Add(s.purgeDays))
+	}
+
 	_, err = uploader.Upload(&s3manager.UploadInput{
 		Bucket:  aws.String(s.bucket),
 		Key:     aws.String(key),
 		Body:    reader,
-		Expires: aws.Time(time.Now().Add(s.purgeDays)),
+		Expires: expire,
 	})
 
 	return
 }
 
+// GDrive is a storage backed by GDrive
 type GDrive struct {
 	service         *drive.Service
-	rootId          string
+	rootID          string
 	basedir         string
 	localConfigPath string
 	chunkSize       int
 	logger          *log.Logger
 }
 
-func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir string, chunkSize int, logger *log.Logger) (*GDrive, error) {
+// NewGDriveStorage is the factory for GDrive
-	b, err := ioutil.ReadFile(clientJsonFilepath)
+func NewGDriveStorage(clientJSONFilepath string, localConfigPath string, basedir string, chunkSize int, logger *log.Logger) (*GDrive, error) {
+	b, err := ioutil.ReadFile(clientJSONFilepath)
 	if err != nil {
 		return nil, err
 	}
@@ -310,7 +343,7 @@ func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir
 	}
 
 	chunkSize = chunkSize * 1024 * 1024
-	storage := &GDrive{service: srv, basedir: basedir, rootId: "", localConfigPath: localConfigPath, chunkSize: chunkSize, logger: logger}
+	storage := &GDrive{service: srv, basedir: basedir, rootID: "", localConfigPath: localConfigPath, chunkSize: chunkSize, logger: logger}
 	err = storage.setupRoot()
 	if err != nil {
 		return nil, err
@@ -319,26 +352,26 @@ func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir
 	return storage, nil
 }
 
-const GDriveRootConfigFile = "root_id.conf"
+const gdriveRootConfigFile = "root_id.conf"
-const GDriveTokenJsonFile = "token.json"
+const gdriveTokenJSONFile = "token.json"
-const GDriveDirectoryMimeType = "application/vnd.google-apps.folder"
+const gdriveDirectoryMimeType = "application/vnd.google-apps.folder"
 
 func (s *GDrive) setupRoot() error {
-	rootFileConfig := filepath.Join(s.localConfigPath, GDriveRootConfigFile)
+	rootFileConfig := filepath.Join(s.localConfigPath, gdriveRootConfigFile)
 
-	rootId, err := ioutil.ReadFile(rootFileConfig)
+	rootID, err := ioutil.ReadFile(rootFileConfig)
 	if err != nil && !os.IsNotExist(err) {
 		return err
 	}
 
-	if string(rootId) != "" {
+	if string(rootID) != "" {
-		s.rootId = string(rootId)
+		s.rootID = string(rootID)
 		return nil
 	}
 
 	dir := &drive.File{
 		Name:     s.basedir,
-		MimeType: GDriveDirectoryMimeType,
+		MimeType: gdriveDirectoryMimeType,
 	}
 
 	di, err := s.service.Files.Create(dir).Fields("id").Do()
@@ -346,8 +379,8 @@ func (s *GDrive) setupRoot() error {
 		return err
 	}
 
-	s.rootId = di.Id
+	s.rootID = di.Id
-	err = ioutil.WriteFile(rootFileConfig, []byte(s.rootId), os.FileMode(0600))
+	err = ioutil.WriteFile(rootFileConfig, []byte(s.rootID), os.FileMode(0600))
 	if err != nil {
 		return err
 	}
@@ -363,13 +396,13 @@ func (s *GDrive) list(nextPageToken string, q string) (*drive.FileList, error) {
 	return s.service.Files.List().Fields("nextPageToken, files(id, name, mimeType)").Q(q).PageToken(nextPageToken).Do()
 }
 
-func (s *GDrive) findId(filename string, token string) (string, error) {
+func (s *GDrive) findID(filename string, token string) (string, error) {
 	filename = strings.Replace(filename, `'`, `\'`, -1)
 	filename = strings.Replace(filename, `"`, `\"`, -1)
 
-	fileId, tokenId, nextPageToken := "", "", ""
+	fileID, tokenID, nextPageToken := "", "", ""
 
-	q := fmt.Sprintf("'%s' in parents and name='%s' and mimeType='%s' and trashed=false", s.rootId, token, GDriveDirectoryMimeType)
+	q := fmt.Sprintf("'%s' in parents and name='%s' and mimeType='%s' and trashed=false", s.rootID, token, gdriveDirectoryMimeType)
 	l, err := s.list(nextPageToken, q)
 	if err != nil {
 		return "", err
@@ -377,7 +410,7 @@ func (s *GDrive) findId(filename string, token string) (string, error) {
 
 	for 0 < len(l.Files) {
 		for _, fi := range l.Files {
-			tokenId = fi.Id
+			tokenID = fi.Id
 			break
 		}
 
@@ -386,15 +419,18 @@ func (s *GDrive) findId(filename string, token string) (string, error) {
 		}
 
 		l, err = s.list(l.NextPageToken, q)
+		if err != nil {
+			return "", err
+		}
 	}
 
 	if filename == "" {
-		return tokenId, nil
+		return tokenID, nil
-	} else if tokenId == "" {
+	} else if tokenID == "" {
 		return "", fmt.Errorf("Cannot find file %s/%s", token, filename)
 	}
 
-	q = fmt.Sprintf("'%s' in parents and name='%s' and mimeType!='%s' and trashed=false", tokenId, filename, GDriveDirectoryMimeType)
+	q = fmt.Sprintf("'%s' in parents and name='%s' and mimeType!='%s' and trashed=false", tokenID, filename, gdriveDirectoryMimeType)
 	l, err = s.list(nextPageToken, q)
 	if err != nil {
 		return "", err
@@ -403,7 +439,7 @@ func (s *GDrive) findId(filename string, token string) (string, error) {
 	for 0 < len(l.Files) {
 		for _, fi := range l.Files {
 
-			fileId = fi.Id
+			fileID = fi.Id
 			break
 		}
 
@@ -412,28 +448,33 @@ func (s *GDrive) findId(filename string, token string) (string, error) {
 		}
 
 		l, err = s.list(l.NextPageToken, q)
+		if err != nil {
+			return "", err
+		}
 	}
 
-	if fileId == "" {
+	if fileID == "" {
 		return "", fmt.Errorf("Cannot find file %s/%s", token, filename)
 	}
 
-	return fileId, nil
+	return fileID, nil
 }
 
+// Type returns the storage type
 func (s *GDrive) Type() string {
 	return "gdrive"
 }
 
+// Head retrieves content length of a file from storage
 func (s *GDrive) Head(token string, filename string) (contentLength uint64, err error) {
-	var fileId string
+	var fileID string
-	fileId, err = s.findId(filename, token)
+	fileID, err = s.findID(filename, token)
 	if err != nil {
 		return
 	}
 
 	var fi *drive.File
-	if fi, err = s.service.Files.Get(fileId).Fields("size").Do(); err != nil {
+	if fi, err = s.service.Files.Get(fileID).Fields("size").Do(); err != nil {
 		return
 	}
 
@@ -442,15 +483,16 @@ func (s *GDrive) Head(token string, filename string) (contentLength uint64, err
 	return
 }
 
+// Get retrieves a file from storage
 func (s *GDrive) Get(token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
-	var fileId string
+	var fileID string
-	fileId, err = s.findId(filename, token)
+	fileID, err = s.findID(filename, token)
 	if err != nil {
 		return
 	}
 
 	var fi *drive.File
-	fi, err = s.service.Files.Get(fileId).Fields("size", "md5Checksum").Do()
+	fi, err = s.service.Files.Get(fileID).Fields("size", "md5Checksum").Do()
 	if !s.hasChecksum(fi) {
 		err = fmt.Errorf("Cannot find file %s/%s", token, filename)
 		return
@@ -460,7 +502,7 @@ func (s *GDrive) Get(token string, filename string) (reader io.ReadCloser, conte
 
 	ctx := context.Background()
 	var res *http.Response
-	res, err = s.service.Files.Get(fileId).Context(ctx).Download()
+	res, err = s.service.Files.Get(fileID).Context(ctx).Download()
 	if err != nil {
 		return
 	}
@@ -470,25 +512,27 @@ func (s *GDrive) Get(token string, filename string) (reader io.ReadCloser, conte
 	return
 }
 
+// Delete removes a file from storage
 func (s *GDrive) Delete(token string, filename string) (err error) {
-	metadata, _ := s.findId(fmt.Sprintf("%s.metadata", filename), token)
+	metadata, _ := s.findID(fmt.Sprintf("%s.metadata", filename), token)
 	s.service.Files.Delete(metadata).Do()
 
-	var fileId string
+	var fileID string
-	fileId, err = s.findId(filename, token)
+	fileID, err = s.findID(filename, token)
 	if err != nil {
 		return
 	}
 
-	err = s.service.Files.Delete(fileId).Do()
+	err = s.service.Files.Delete(fileID).Do()
 	return
 }
 
+// Purge cleans up the storage
 func (s *GDrive) Purge(days time.Duration) (err error) {
 	nextPageToken := ""
 
 	expirationDate := time.Now().Add(-1 * days).Format(time.RFC3339)
-	q := fmt.Sprintf("'%s' in parents and modifiedTime < '%s' and mimeType!='%s' and trashed=false", s.rootId, expirationDate, GDriveDirectoryMimeType)
+	q := fmt.Sprintf("'%s' in parents and modifiedTime < '%s' and mimeType!='%s' and trashed=false", s.rootID, expirationDate, gdriveDirectoryMimeType)
 	l, err := s.list(nextPageToken, q)
 	if err != nil {
 		return err
@@ -507,32 +551,39 @@ func (s *GDrive) Purge(days time.Duration) (err error) {
 		}
 
 		l, err = s.list(l.NextPageToken, q)
+		if err != nil {
+			return
+		}
 	}
 
 	return
 }
 
+// IsNotExist indicates if a file doesn't exist on storage
 func (s *GDrive) IsNotExist(err error) bool {
-	if err != nil {
+	if err == nil {
+		return false
+	}
+
 	if e, ok := err.(*googleapi.Error); ok {
 		return e.Code == http.StatusNotFound
 	}
-	}
 
 	return false
 }
 
+// Put saves a file on storage
 func (s *GDrive) Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
-	dirId, err := s.findId("", token)
+	dirID, err := s.findID("", token)
 	if err != nil {
 		return err
 	}
 
-	if dirId == "" {
+	if dirID == "" {
 		dir := &drive.File{
 			Name:     token,
-			Parents:  []string{s.rootId},
+			Parents:  []string{s.rootID},
-			MimeType: GDriveDirectoryMimeType,
+			MimeType: gdriveDirectoryMimeType,
 		}
 
 		di, err := s.service.Files.Create(dir).Fields("id").Do()
@@ -540,13 +591,13 @@ func (s *GDrive) Put(token string, filename string, reader io.Reader, contentTyp
 			return err
 		}
 
-		dirId = di.Id
+		dirID = di.Id
 	}
 
 	// Instantiate empty drive file
 	dst := &drive.File{
 		Name:     filename,
-		Parents:  []string{dirId},
+		Parents:  []string{dirID},
 		MimeType: contentType,
 	}
 
@@ -562,7 +613,7 @@ func (s *GDrive) Put(token string, filename string, reader io.Reader, contentTyp
 
 // Retrieve a token, saves the token, then returns the generated client.
 func getGDriveClient(config *oauth2.Config, localConfigPath string, logger *log.Logger) *http.Client {
-	tokenFile := filepath.Join(localConfigPath, GDriveTokenJsonFile)
+	tokenFile := filepath.Join(localConfigPath, gdriveTokenJSONFile)
 	tok, err := gDriveTokenFromFile(tokenFile)
 	if err != nil {
 		tok = getGDriveTokenFromWeb(config, logger)
@@ -614,6 +665,7 @@ func saveGDriveToken(path string, token *oauth2.Token, logger *log.Logger) {
 	json.NewEncoder(f).Encode(token)
 }
 
+// StorjStorage is a storage backed by Storj
 type StorjStorage struct {
 	Storage
 	project   *uplink.Project
@@ -622,6 +674,7 @@ type StorjStorage struct {
 	logger    *log.Logger
 }
 
+// NewStorjStorage is the factory for StorjStorage
 func NewStorjStorage(access, bucket string, purgeDays int, logger *log.Logger) (*StorjStorage, error) {
 	var instance StorjStorage
 	var err error
@@ -652,10 +705,12 @@ func NewStorjStorage(access, bucket string, purgeDays int, logger *log.Logger) (
 	return &instance, nil
 }
 
+// Type returns the storage type
 func (s *StorjStorage) Type() string {
 	return "storj"
 }
 
+// Head retrieves content length of a file from storage
 func (s *StorjStorage) Head(token string, filename string) (contentLength uint64, err error) {
 	key := storj.JoinPaths(token, filename)
 
@@ -671,6 +726,7 @@ func (s *StorjStorage) Head(token string, filename string) (contentLength uint64
 	return
 }
 
+// Get retrieves a file from storage
 func (s *StorjStorage) Get(token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
 	key := storj.JoinPaths(token, filename)
 
@@ -689,6 +745,7 @@ func (s *StorjStorage) Get(token string, filename string) (reader io.ReadCloser,
 	return
 }
 
+// Delete removes a file from storage
 func (s *StorjStorage) Delete(token string, filename string) (err error) {
 	key := storj.JoinPaths(token, filename)
 
@@ -701,11 +758,13 @@ func (s *StorjStorage) Delete(token string, filename string) (err error) {
 	return
 }
 
+// Purge cleans up the storage
 func (s *StorjStorage) Purge(days time.Duration) (err error) {
 	// NOOP expiration is set at upload time
 	return nil
 }
 
+// Put saves a file on storage
 func (s *StorjStorage) Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
 	key := storj.JoinPaths(token, filename)
 
@@ -713,7 +772,12 @@ func (s *StorjStorage) Put(token string, filename string, reader io.Reader, cont
 
 	ctx := context.TODO()
 
-	writer, err := s.project.UploadObject(ctx, s.bucket.Name, key, &uplink.UploadOptions{Expires: time.Now().Add(s.purgeDays)})
+	var uploadOptions *uplink.UploadOptions
+	if s.purgeDays.Hours() > 0 {
+		uploadOptions = &uplink.UploadOptions{Expires: time.Now().Add(s.purgeDays)}
+	}
+
+	writer, err := s.project.UploadObject(ctx, s.bucket.Name, key, uploadOptions)
 	if err != nil {
 		return err
 	}
@@ -735,6 +799,7 @@ func (s *StorjStorage) Put(token string, filename string, reader io.Reader, cont
 	return err
 }
 
+// IsNotExist indicates if a file doesn't exist on storage
 func (s *StorjStorage) IsNotExist(err error) bool {
 	return errors.Is(err, uplink.ErrObjectNotFound)
 }

server/token.go

@@ -0,0 +1,45 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2020- Andrea Spacca and Stefan Benten.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package server
+
+import (
+	"math/rand"
+)
+
+const (
+	// SYMBOLS characters used for short-urls
+	SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+)
+
+// generate a token
+func token(length int) string {
+	result := ""
+	for i := 0; i < length; i++ {
+		x := rand.Intn(len(SYMBOLS) - 1)
+		result = string(SYMBOLS[x]) + result
+	}
+
+	return result
+}

server/token_test.go

@@ -0,0 +1,15 @@
+package server
+
+import "testing"
+
+func BenchmarkTokenConcat(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = token(5) + token(5)
+	}
+}
+
+func BenchmarkTokenLonger(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_ = token(10)
+	}
+}

server/utils.go

@@ -2,6 +2,8 @@
 The MIT License (MIT)
 
 Copyright (c) 2014-2017 DutchCoders [https://github.com/dutchcoders/]
+Copyright (c) 2018-2020 Andrea Spacca.
+Copyright (c) 2020- Andrea Spacca and Stefan Benten.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -25,6 +27,7 @@ THE SOFTWARE.
 package server
 
 import (
+	"fmt"
 	"math"
 	"net/http"
 	"net/mail"
@@ -47,8 +50,7 @@ func getAwsSession(accessKey, secretKey, region, endpoint string, forcePathStyle
 }
 
 func formatNumber(format string, s uint64) string {
-
+	return renderFloat(format, float64(s))
-	return RenderFloat(format, float64(s))
 }
 
 var renderFloatPrecisionMultipliers = [10]float64{
@@ -77,7 +79,7 @@ var renderFloatPrecisionRounders = [10]float64{
 	0.0000000005,
 }
 
-func RenderFloat(format string, n float64) string {
+func renderFloat(format string, n float64) string {
 	// Special cases:
 	// NaN = "NaN"
 	// +Inf = "+Infinity"
@@ -125,7 +127,7 @@ func RenderFloat(format string, n float64) string {
 			// +0000
 			if formatDirectiveIndices[0] == 0 {
 				if formatDirectiveChars[formatDirectiveIndices[0]] != '+' {
-					panic("RenderFloat(): invalid positive sign directive")
+					panic("renderFloat(): invalid positive sign directive")
 				}
 				positiveStr = "+"
 				formatDirectiveIndices = formatDirectiveIndices[1:]
@@ -139,7 +141,7 @@ func RenderFloat(format string, n float64) string {
 			// 000,000.00
 			if len(formatDirectiveIndices) == 2 {
 				if (formatDirectiveIndices[1] - formatDirectiveIndices[0]) != 4 {
-					panic("RenderFloat(): thousands separator directive must be followed by 3 digit-specifiers")
+					panic("renderFloat(): thousands separator directive must be followed by 3 digit-specifiers")
 				}
 				thousandStr = string(formatDirectiveChars[formatDirectiveIndices[0]])
 				formatDirectiveIndices = formatDirectiveIndices[1:]
@@ -199,8 +201,8 @@ func RenderFloat(format string, n float64) string {
 	return signStr + intStr + decimalStr + fracStr
 }
 
-func RenderInteger(format string, n int) string {
+func renderInteger(format string, n int) string {
-	return RenderFloat(format, float64(n))
+	return renderFloat(format, float64(n))
 }
 
 // Request.RemoteAddress contains port, which we want to remove i.e.:
@@ -253,3 +255,27 @@ func acceptsHTML(hdr http.Header) bool {
 
 	return (false)
 }
+
+func formatSize(size int64) string {
+	sizeFloat := float64(size)
+	base := math.Log(sizeFloat) / math.Log(1024)
+
+	sizeOn := math.Pow(1024, base-math.Floor(base))
+
+	var round float64
+	pow := math.Pow(10, float64(2))
+	digit := pow * sizeOn
+	round = math.Floor(digit)
+
+	newVal := round / pow
+
+	var suffixes [5]string
+	suffixes[0] = "B"
+	suffixes[1] = "KB"
+	suffixes[2] = "MB"
+	suffixes[3] = "GB"
+	suffixes[4] = "TB"
+
+	getSuffix := suffixes[int(math.Floor(base))]
+	return fmt.Sprintf("%s %s", strconv.FormatFloat(newVal, 'f', -1, 64), getSuffix)
+}

server/virustotal.go

@@ -29,7 +29,6 @@ import (
 	"io"
 	"net/http"
 
-	_ "github.com/PuerkitoBio/ghost/handlers"
 	"github.com/gorilla/mux"
 
 	virustotal "github.com/dutchcoders/go-virustotal"