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pingme/service/mastodon/mastodon.go

125 lines
3.2 KiB

package mastodon
import (
"bytes"
"encoding/json"
"fmt"
"log"
"net/http"
"time"
"github.com/urfave/cli/v2"
)
// Mastodon struct holds data parsed via flags for the service
type Mastodon struct {
Title string
Token string
ServerURL string
Message string
}
// Send parse values from *cli.context and return *cli.Command
// and sets a status message for mastodon.
func Send() *cli.Command {
var mastodonOpts Mastodon
return &cli.Command{
Name: "mastodon",
Usage: "Set status message for mastodon",
UsageText: "pingme mastodon --token '123' --url 'mastodon.social' --title 'PingMe' " +
"--msg 'some message'",
Description: `Mastodon uses application token to authorize and sets a status message`,
Flags: []cli.Flag{
&cli.StringFlag{
Destination: &mastodonOpts.Token,
Name: "token",
Aliases: []string{"t"},
Required: true,
Usage: "Application token for authorization.",
EnvVars: []string{"MASTODON_TOKEN"},
},
&cli.StringFlag{
Destination: &mastodonOpts.Message,
Name: "msg",
Aliases: []string{"m"},
Usage: "Message content.",
EnvVars: []string{"MASTODON_MESSAGE"},
},
&cli.StringFlag{
Destination: &mastodonOpts.Title,
Name: "title",
Usage: "Title of the message.",
EnvVars: []string{"MASTODON_TITLE"},
},
&cli.StringFlag{
Destination: &mastodonOpts.ServerURL,
Name: "url",
Aliases: []string{"u"},
Value: "mastodon.social",
Required: true,
Usage: "URL of mastodon server i.e mastodon.social",
EnvVars: []string{"MASTODON_SERVER"},
},
},
Action: func(ctx *cli.Context) error {
endPointURL := "https://" + mastodonOpts.ServerURL + "/api/v1/statuses/"
// Create a Bearer string by appending string access token
bearer := "Bearer " + mastodonOpts.Token
fullMessage := mastodonOpts.Title + "\n" + mastodonOpts.Message
if err := sendMastodon(endPointURL, bearer, fullMessage); err != nil {
return fmt.Errorf("failed to send message\n[ERROR] - %v", err)
}
return nil
},
}
}
// sendMastodon function take the server url , authorization token
// and message string to set the status.
func sendMastodon(url string, token string, msg string) error {
reqBody, err := json.Marshal(map[string]string{
"status": msg,
})
if err != nil {
return err
}
// Create a new request using http
req, err := http.NewRequest("POST", url, bytes.NewBuffer(reqBody))
if err != nil {
return err
}
// add authorization header to the request
req.Header.Set("Authorization", token)
req.Header.Set("Content-Type", "application/json; charset=UTF-8")
// create a new http client and send request to server
c := &http.Client{Timeout: 10 * time.Second}
resp, err := c.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
// decode response received from server
var data map[string]interface{}
err = json.NewDecoder(resp.Body).Decode(&data)
if err != nil {
return err
}
// check if server returned an error
checkErr, ok := data["error"]
if ok {
return fmt.Errorf("%v", checkErr)
}
log.Printf("Success!!\nVisibility: %v\nURL: %v\n", data["visibility"], data["url"])
return nil
}