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// Check Trello OAuth Detail At: https://trello.com/docs/gettingstarted/oauth.html
package main
import (
"flag"
"fmt"
"github.com/mrjones/oauth"
"io/ioutil"
"log"
"net/http"
)
var (
tokens map[string]*oauth.RequestToken
c *oauth.Consumer
)
func main() {
tokens = make(map[string]*oauth.RequestToken)
var (
consumerKey *string = flag.String(
"consumerkey",
"",
"Consumer Key from Trello. See: https://trello.com/1/appKey/generate",
)
consumerSecret *string = flag.String(
"consumersecret",
"",
"Consumer Secret from Trello. See: https://trello.com/1/appKey/generate",
)
port *int = flag.Int(
"port",
8888,
"Port to listen on.",
)
)
flag.Parse()
c = oauth.NewConsumer(
*consumerKey,
*consumerSecret,
oauth.ServiceProvider{
RequestTokenUrl: "https://trello.com/1/OAuthGetRequestToken",
AuthorizeTokenUrl: "https://trello.com/1/OAuthAuthorizeToken",
AccessTokenUrl: "https://trello.com/1/OAuthGetAccessToken",
},
)
// App Name
c.AdditionalAuthorizationUrlParams["name"] = "Trello OAuth"
// Token Expiration - Default 30 days
c.AdditionalAuthorizationUrlParams["expiration"] = "never"
// Authorization Scope
c.AdditionalAuthorizationUrlParams["scope"] = "read"
c.Debug(true)
http.HandleFunc("/", RedirectUserToTrello)
http.HandleFunc("/maketoken", GetTrelloToken)
u := fmt.Sprintf(":%d", *port)
fmt.Printf("Listening on '%s'\n", u)
http.ListenAndServe(u, nil)
}
func RedirectUserToTrello(w http.ResponseWriter, r *http.Request) {
tokenUrl := fmt.Sprintf("http://%s/maketoken", r.Host)
token, requestUrl, err := c.GetRequestTokenAndUrl(tokenUrl)
if err != nil {
log.Fatal(err)
}
tokens[token.Token] = token
http.Redirect(w, r, requestUrl, http.StatusTemporaryRedirect)
}
func GetTrelloToken(w http.ResponseWriter, r *http.Request) {
values := r.URL.Query()
verificationCode := values.Get("oauth_verifier")
tokenKey := values.Get("oauth_token")
accessToken, err := c.AuthorizeToken(tokens[tokenKey], verificationCode)
if err != nil {
log.Fatal(err)
}
client, err := c.MakeHttpClient(accessToken)
if err != nil {
log.Fatal(err)
}
response, err := client.Get("https://trello.com/1/members/me")
if err != nil {
log.Fatal(err)
}
defer response.Body.Close()
bits, err := ioutil.ReadAll(response.Body)
fmt.Fprintf(w, "My profiles at Trello are:\n"+string(bits))
}
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