72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/pyed/transmission"
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)
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var (
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token string
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master string
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url string
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username string
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password string
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client *transmission.Client
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)
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func init() {
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// define arguments and parse them.
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flag.StringVar(&token, "token", "", "Telegram bot token")
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flag.StringVar(&master, "master", "", "Your telegram handler, So the bot will only respond to you")
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flag.StringVar(&url, "url", "http://localhost:9091/transmission/rpc", "Transmission RPC URL")
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flag.StringVar(&username, "username", "", "Transmission username")
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flag.StringVar(&password, "password", "", "Transmission password")
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// set the usage message
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flag.Usage = func() {
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fmt.Fprintln(os.Stderr, "Usage: transmission-bot -token=<TOKEN> -master=<@tuser> -url=[http://] -username=[user] -password=[pass]\n")
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flag.PrintDefaults()
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}
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flag.Parse()
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// make sure that we have the two madatory arguments: telegram token & master's handler.
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if token == "" ||
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master == "" {
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fmt.Fprintf(os.Stderr, "Error: Mandatory argument missing!\n\n")
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flag.Usage()
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os.Exit(1)
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}
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// set transmission.Config, needed to establish a connection with transmission
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conf := transmission.Config{
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Address: url,
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User: username,
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Password: password,
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}
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// transmission.New() never returns an error, we will ignore it and test with client.Session.Update()
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client, _ = transmission.New(conf)
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if err := client.Session.Update(); err != nil {
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// try to predict the error message, as it vague coming from pyed/transmission
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if strings.HasPrefix(err.Error(), "invalid character") { // means the user or the pass is wrong.
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fmt.Fprintln(os.Stderr, "Transmission's Username or Password is wrong.\n")
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} else { // any other error is probaby because of the URL
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fmt.Fprintf(os.Stderr, "Error: Couldn't connect to: %s\n", url)
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fmt.Fprintln(os.Stderr, "Make sure to pass the right full RPC URL e.g. http://localhost:9091/transmission/rpc\n")
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}
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// send the vague error message too
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fmt.Fprintln(os.Stderr, "RawError: "+err.Error())
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os.Exit(1)
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}
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}
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func main() {}
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