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package main
import (
"fmt"
"log" // TODO: eventually change to slog and manage levels
"net/url"
"os"
"os/exec"
"path/filepath"
"strings"
)
var COMPRESSED_EXTENSIONS = []string{".jpg", ".webm", ".ogg", ".gz", ".bz2", ".zip",
".xz", ".odp", ".odt", ".ods", ".mp4", ".mp3",
".png", ".pdf", ".apk", ".rpm", ".epub", ".mkv",
".avi", ".jar", ".opus", ".ogv", ".flac", ".msi",
".m4a"}
// THE VARIABLE URL_VARIANTS IS MEANT TO BE EDITED. Change various
// attributes to correspond to your situation.
// If new section is added (as here I have also 'tmp' for fedorapeople.org)
// and the script has a symlink named as the section (so I have tmp as
// a symlink to this script) it saves the file to the location defined in
// such section when called under the other name.
// So, `tmp filename` saves file filename to fedorapeople for me.
var URL_VARIANTS = map[string]map[string]string{
"wotan": {
"base_url": "wotan:Export/",
"target_url": "https://w3.suse.de/~mcepl/",
},
"tmp": {
"base_url": "fedorapeople.org:public_html/tmp/",
"target_url": "https://mcepl.fedorapeople.org/tmp/",
// "shorten_api": "http://is.gd/create.php?format=simple&url="
"shorten_api": "https://da.gd/s?url=",
},
}
func contains(slice []string, item string) bool {
for _, a := range slice {
if a == item {
return true
}
}
return false
}
func main() {
if len(os.Args) < 2 {
os.Exit(1)
}
cmdname := strings.ToLower(filepath.Base(os.Args[0]))
config := URL_VARIANTS[cmdname]
if _, err := os.Stat(os.Args[1]); os.IsNotExist(err) {
os.Exit(1)
}
for _, processedFile := range os.Args[1:] {
st, err := os.Stat(processedFile)
if err != nil {
log.Fatal(err)
}
fileExt := filepath.Ext(processedFile)
log.Printf("size of %s is %d.", processedFile, st.Size())
log.Printf("extension is %s", fileExt)
var fname string
var COMPRESSED bool
if st.Size() > 1000000 && !contains(COMPRESSED_EXTENSIONS, strings.ToLower(fileExt)) {
log.Printf("file %s should be compressed (%d b)", processedFile, st.Size())
err := exec.Command("gzip", "--keep", "--best", processedFile).Run()
if err != nil {
log.Fatal("Compressing the file failed!")
}
fname = processedFile + ".gz"
COMPRESSED = true
} else {
log.Printf("file %s should not be compressed (%d b)", processedFile, st.Size())
fname = processedFile
COMPRESSED = false
}
err = os.Chmod(fname, 0o644)
if err != nil {
log.Fatal(err)
}
// To make scp happy
modifiedFname := strings.Replace(fname, ":", "_", 1)
err = os.Rename(fname, modifiedFname)
if err != nil {
log.Fatal(err)
}
log.Printf("Unshorten fname = %s", modifiedFname)
_, err = exec.Command("scp", modifiedFname, config["base_url"]).Output()
if err != nil {
log.Fatal(err)
}
targetURL := config["target_url"] + filepath.Base(modifiedFname)
// Make target_URL into a safe URL
safeTargetURL := url.QueryEscape(targetURL)
safeTargetURL = strings.Replace(safeTargetURL, "%3A", ":", 1)
fmt.Println(targetURL)
// curl -s 'http://is.gd/create.php?format=simple&url=www.example.com'
// http://is.gd/MOgh5q
if shortenAPI, ok := config["shorten_api"]; ok {
shortenedURLBytes, err := exec.Command("curl", "-s", shortenAPI+safeTargetURL).Output()
if err != nil {
log.Fatal(err)
}
shortenedURL := strings.TrimSpace(string(shortenedURLBytes))
fmt.Println(shortenedURL)
}
// The script should have no side-effects
if COMPRESSED {
os.Remove(modifiedFname)
} else {
os.Rename(modifiedFname, fname)
}
}
}
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