initial commit

.env.example

@@ -0,0 +1,8 @@
+TELEGRAM_TOKEN=<Telegram bot token at @BotFather>
+TELEGRAM_USER_ID=<Telegram user id @getidsbot>
+# DEFAULT_DOWNLOADER put the full command 
+# example 
+# DEFAULT_DOWNLOADER=curl -O
+DEFAULT_DOWNLOADER=wget --content-disposition
+# Username of the user u want to run command on as
+RUNAS=<username of the pc>

.gitignore

@@ -0,0 +1,5 @@
+.env
+vendor/
+.realize.yaml
+build/
+.DS_Store

Gopkg.toml

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+# Gopkg.toml example
+#
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[prune]
+  go-tests = true
+  unused-packages = true

README.md

@@ -1,2 +1,81 @@
 # telegram-commander
-self deployed telegram bot that will help with running simple commands
+Self deployed telegram bot that will help with running simple commands
+
+
+
+- [DESCRIPTION](#description)
+- [INSTALLATION](#installation)
+- [DEVELOPMENT](#development)
+- [TODO](#todo)
+- [LIMITATIONS](#limitations)
+- [LICENSE](#license)
+
+## DESCRIPTION
+
+**telegram-commander** is a self deployed telegram bot that let's you run commands on a remote pc through [telegram](https://telegram.org). There are default commands that will help you run simple commands like Upload a file to pc, Download a file from pc, Download file from internet and Run simple commands and more to come.
+
+## REQUIREMENTS
+
+- GoLang > 1.9.1
+- One of terminal file downloaders wget, curl, axel
+
+
+## INSTALLATION
+
+- Download the latest release binary zip
+- unzip the file
+- inside there is a .env.example file
+- To install it first clone the project on your pc 
+- Create a telegram bot using [@BotFather](https://t.me/botfather)
+	- Set the name of the bot
+	- Set the username of the bot
+- Get your telegram user id using [@IDBot](https://t.me/myidbot)
+- Copy .env.example to .env
+```bash
+cp .env.example .env
+```
+- Set your bot and telegram user id on .env
+```YAML
+TELEGRAM_TOKEN=<Telegram bot token at @BotFather>
+TELEGRAM_USER_ID=<Telegram user id @getidsbot>
+# DEFAULT_DOWNLOADER put the full command 
+# example 
+# DEFAULT_DOWNLOADER=curl -O
+DEFAULT_DOWNLOADER=wget --content-disposition
+# Username of the user u want to run command on as
+RUNAS=<username of the pc>
+```
+- Run the executable 
+```bash 
+./telegram-commander
+```
+- If you want to run it as a service 
+- First install the service
+```bash 
+sudo ./telegram-commander -service install
+```
+- you can use your systems service manager to handle the service
+```bash
+sudo service telegram-commander start
+sudo service telegram-commander stop
+```
+
+## DEVELOPMENT
+- get the package
+```bash
+go get github.com/nathenapse/telegram-commander
+```
+
+## TODO
+
+- [ ] Torrent Downloads
+- [ ] Youtube Downloads
+- [ ] Better Documentation
+
+## LIMITATIONS
+
+- Works on linux and mac
+
+## LICENSE
+
+MIT

command/base.go

@@ -0,0 +1,35 @@
+package command
+
+import (
+	"os/exec"
+	"os/user"
+	"syscall"
+
+	"github.com/nathenapse/telegram-commander/config"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+// Base is where all structs inherit
+type Base struct {
+}
+
+// Validate Default implementation of Validate
+func (b *Base) Validate(m *tb.Message) bool {
+	return m.Payload != ""
+}
+
+// SetUser is to set the user for the command
+func SetUser(cmd *exec.Cmd, conf *config.Config) *exec.Cmd {
+	// TODO: handle error
+	usr, _ := user.Current()
+
+	if usr.Uid == "0" {
+		cmd.SysProcAttr = &syscall.SysProcAttr{}
+		cmd.SysProcAttr.Credential = &syscall.Credential{Uid: conf.Userid, Gid: conf.Groupid}
+		cmd.Dir = conf.User.HomeDir
+	} else {
+		cmd.Dir = usr.HomeDir
+	}
+
+	return cmd
+}

command/command.go

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+package command
+
+import (
+	"bytes"
+	"os/exec"
+
+	"github.com/nathenapse/telegram-commander/config"
+	"github.com/nathenapse/telegram-commander/custom"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+// Command the basic command
+type Command struct {
+	*Base
+}
+
+// Exec executes the command
+func (c *Command) Exec(b *tb.Bot, m *tb.Message, conf *config.Config) {
+
+	cmd := exec.Command("sh", "-c", m.Text)
+
+	var out bytes.Buffer
+	var errb bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &errb
+	cmd = SetUser(cmd, conf)
+
+	err := cmd.Run()
+
+	if err != nil {
+		custom.SendLong(b)(m.Sender, err.Error()+":"+errb.String(), &tb.SendOptions{
+			ReplyTo: m,
+		})
+	} else {
+		custom.SendLong(b)(m.Sender, out.String(), &tb.SendOptions{
+			ReplyTo: m,
+		})
+	}
+
+}
+
+// IsInline return if command is /command somethingelse
+func (c *Command) IsInline() bool {
+	return false
+}
+
+// GetExample return the how to use of this command
+func (c *Command) GetExample() string {
+	return "Just use it inline"
+}

command/download.go

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+package command
+
+import (
+	"os"
+
+	"github.com/nathenapse/telegram-commander/config"
+	"github.com/nathenapse/telegram-commander/custom"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+// Download to download files
+type Download struct {
+	*Base
+}
+
+// Exec to locate file and send
+func (d *Download) Exec(b *tb.Bot, m *tb.Message, conf *config.Config) {
+
+	path := conf.User.HomeDir + "/" + m.Payload
+	_, err := os.Stat(path)
+
+	if err == nil {
+		file := &tb.Document{File: tb.FromDisk(path), Caption: path}
+		b.Send(m.Sender, file, &tb.SendOptions{
+			ReplyTo: m,
+		})
+	} else {
+		custom.SendLong(b)(m.Sender, err.Error(), &tb.SendOptions{
+			ReplyTo: m,
+		})
+	}
+
+}
+
+// IsInline return if command is /command somethingelse
+func (d *Download) IsInline() bool {
+	return true
+}
+
+// GetExample return the how to use of this command
+func (d *Download) GetExample() string {
+	return "please use /file relative/path/to/home"
+}

command/downloader.go

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+package command
+
+import (
+	"bytes"
+	"os/exec"
+
+	"github.com/nathenapse/telegram-commander/config"
+	"github.com/nathenapse/telegram-commander/custom"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+// Downloader to download files
+type Downloader struct {
+	*Base
+}
+
+// Exec to locate file and send
+func (d *Downloader) Exec(b *tb.Bot, m *tb.Message, conf *config.Config) {
+
+	go b.Reply(m, conf.Downloader+" "+m.Payload)
+
+	// TODO: confirm to overwrite
+	cmd := exec.Command("sh", "-c", conf.Downloader+" "+m.Payload)
+
+	var out bytes.Buffer
+	var errb bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &errb
+
+	cmd = SetUser(cmd, conf)
+
+	go b.Reply(m, "Download, starting")
+	err := cmd.Run()
+
+	if err != nil && errb.String() != "" {
+		go b.Send(m.Sender, "Download, Stoped with error", &tb.SendOptions{
+			ReplyTo: m,
+		})
+		go custom.SendLong(b)(m.Sender, err.Error()+":"+errb.String(), &tb.SendOptions{
+			ReplyTo: m,
+		})
+	} else {
+		go b.Send(m.Sender, "Download, Finished", &tb.SendOptions{
+			ReplyTo: m,
+		})
+		go custom.SendLong(b)(m.Sender, out.String(), &tb.SendOptions{
+			ReplyTo: m,
+		})
+	}
+
+}
+
+// IsInline return if command is /command somethingelse
+func (d *Downloader) IsInline() bool {
+	return true
+}
+
+// GetExample return the how to use of this command
+func (d *Downloader) GetExample() string {
+	return "please use /download url"
+}

command/help.go

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+package command
+
+import (
+	"github.com/nathenapse/telegram-commander/config"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+// Help run on help
+type Help struct {
+	*ListCommands
+}
+
+// Exec to locate file and send
+func (h *Help) Exec(b *tb.Bot, m *tb.Message, conf *config.Config) {
+	commands, descriptions := h.Setup()
+	message := `This Bot is used to do simple things to your unix based pc from the confort of telegram
+	like start downloading a file, run commands, get files, send files .. etc
+	
+	Commands To use
+	`
+
+	for i := 0; i < len(commands); i++ {
+		message = message + "/" + commands[i] + " - " + descriptions[i] + "\n"
+	}
+
+	go b.Reply(m, message)
+}