Initial commit
This commit is contained in:
commit
d66cf13471
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filehole
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data/
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[Unit]
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Description=Filehole
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After=network.target
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[Service]
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ExecStart=/usr/local/bin/filehole
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WorkingDirectory=/home/filehole
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User=filehole
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Group=filehole
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Restart=on-failure
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RestartSec=2
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[Install]
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WantedBy=multi-user.target
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module git.tcp.direct/hgc/filehole
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go 1.19
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require (
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github.com/gabriel-vasile/mimetype v1.4.1
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github.com/gorilla/mux v1.8.0
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github.com/rs/zerolog v1.28.0
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)
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require (
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github.com/mattn/go-colorable v0.1.12 // indirect
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github.com/mattn/go-isatty v0.0.14 // indirect
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golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect
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golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
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)
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github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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github.com/gabriel-vasile/mimetype v1.4.1 h1:TRWk7se+TOjCYgRth7+1/OYLNiRNIotknkFtf/dnN7Q=
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github.com/gabriel-vasile/mimetype v1.4.1/go.mod h1:05Vi0w3Y9c/lNvJOdmIwvrrAhX3rYhfQQCaf9VJcv7M=
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github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
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github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
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github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
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github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
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github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
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github.com/rs/zerolog v1.28.0 h1:MirSo27VyNi7RJYP3078AA1+Cyzd2GB66qy3aUHvsWY=
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github.com/rs/zerolog v1.28.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
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golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e h1:TsQ7F31D3bUCLeqPT0u+yjp1guoArKaNKmCr22PYgTQ=
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golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a h1:dGzPydgVsqGcTRVwiLJ1jVbufYwmzD3LfVPLKsKg+0k=
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golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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<!DOCTYPE html>
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<html>
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<head>
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<title>Filehole</title>
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</head>
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<body>
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<h1>Filehole</h1>
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<form method="POST" enctype="multipart/form-data">
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<label for="url_len">URL Length (5-69)</label>
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<input type="number" name="url_len" id="url_len" min=5 max=69 value=24></input><br>
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<label for="expiry">Expiry (slider is 1d-5d)</label>
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<input type="range" name="expiry" id="expiry" min=86400 max=432000 step=86400 value=86400></input><br>
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<br>
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<input type="file" name="file"></input>
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<input type="submit"></input>
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</form>
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<br>
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<hr>
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<h2>curl</h2>
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<p>
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<pre>curl -X POST -F 'file=@filehole.png' https://filehole.org</pre>
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</p>
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<p>
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<pre>curl -X POST -F 'file=@filehole.png' -F "url_len=5" -F "expiry=86400" https://filehole.org</pre>
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</p>
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<h2>Firefox</h2>
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<a href="https://addons.mozilla.org/en-US/firefox/addon/post-image/">POST Image by rj1</a>
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</body>
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</html>
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package main
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import (
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"crypto/rand"
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"io"
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"net/http"
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"os"
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"strconv"
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"github.com/gabriel-vasile/mimetype"
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"github.com/gorilla/mux"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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)
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func shortID(length int64) string {
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const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
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ll := len(chars)
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b := make([]byte, length)
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rand.Read(b) // generates len(b) random bytes
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for i := int64(0); i < length; i++ {
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b[i] = chars[int(b[i])%ll]
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}
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return string(b)
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}
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func UploadHandler(w http.ResponseWriter, r *http.Request) {
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// url_len sanitize
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inpUrlLen := r.FormValue("url_len")
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sanUrlLen, err := strconv.ParseInt(inpUrlLen, 10, 64)
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if err != nil {
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sanUrlLen = 24
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}
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if sanUrlLen < 5 || sanUrlLen > 64 {
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w.Write([]byte("url_len needs to be between 5 and 64\n"))
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return
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}
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// expiry sanitize
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inpExpiry := r.FormValue("expiry")
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sanExpiry, err := strconv.ParseInt(inpExpiry, 10, 64)
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if err != nil {
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sanExpiry = 86400
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}
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if sanExpiry < 5 || sanExpiry > 432000 {
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w.Write([]byte("expiry needs to be between 5 and 432000\n"))
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return
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}
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// mimetype check
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file, _, err := r.FormFile("file")
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if err != nil {
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w.Write([]byte("error reading your file parameter\n"))
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return
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}
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defer file.Close()
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mtype, err := mimetype.DetectReader(file)
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if err != nil {
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w.Write([]byte("error detecting the mime type of your file\n"))
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return
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}
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file.Seek(0, 0)
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// ready for upload
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name := shortID(sanUrlLen) + mtype.Extension()
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log.Info().Str("mtype", mtype.String()).Str("ext", mtype.Extension()).Int64("expiry", sanExpiry).Int64("url_len", sanUrlLen).Msg("Writing new file")
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f, err := os.OpenFile("data/"+name, os.O_WRONLY|os.O_CREATE, 0644)
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if err != nil {
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log.Error().Err(err).Msg("Error opening a file for write")
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w.Write([]byte("internal error\n"))
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return
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}
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defer f.Close()
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io.Copy(f, file)
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w.Write([]byte("https://u.filehole.org/" + name + "\n"))
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}
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func main() {
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log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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r := mux.NewRouter()
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r.HandleFunc("/", UploadHandler).Methods("POST")
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r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.html")
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}).Methods("GET")
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http.Handle("/", r)
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http.ListenAndServe("127.0.0.1:8000", r)
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}
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