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// Similar to the twitter example, but using an HTTP server instead of
// the command line. Illustrates the need to preserve requestTokens across
// requests. This does it very dumbly (using a global variable).
package main
import (
"flag"
"fmt"
"io/ioutil"
"log"
"net/http"
"github.com/mrjones/oauth"
)
var tokens map[string]*oauth.RequestToken
var c *oauth.Consumer
func main() {
tokens = make(map[string]*oauth.RequestToken)
var consumerKey *string = flag.String(
"consumerkey",
"",
"Consumer Key from Twitter. See: https://dev.twitter.com/apps/new")
var consumerSecret *string = flag.String(
"consumersecret",
"",
"Consumer Secret from Twitter. See: https://dev.twitter.com/apps/new")
var port *int = flag.Int(
"port",
8888,
"Port to listen on.")
flag.Parse()
c = oauth.NewConsumer(
*consumerKey,
*consumerSecret,
oauth.ServiceProvider{
RequestTokenUrl: "https://api.twitter.com/oauth/request_token",
AuthorizeTokenUrl: "https://api.twitter.com/oauth/authorize",
AccessTokenUrl: "https://api.twitter.com/oauth/access_token",
},
)
c.Debug(true)
http.HandleFunc("/", RedirectUserToTwitter)
http.HandleFunc("/maketoken", GetTwitterToken)
u := fmt.Sprintf(":%d", *port)
fmt.Printf("Listening on '%s'\n", u)
http.ListenAndServe(u, nil)
}
func RedirectUserToTwitter(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)
}
// Make sure to save the token, we'll need it for AuthorizeToken()
tokens[token.Token] = token
http.Redirect(w, r, requestUrl, http.StatusTemporaryRedirect)
}
func GetTwitterToken(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://api.twitter.com/1.1/statuses/home_timeline.json?count=1")
if err != nil {
log.Fatal(err)
}
defer response.Body.Close()
bits, err := ioutil.ReadAll(response.Body)
fmt.Fprintf(w, "The newest item in your home timeline is: "+string(bits))
}
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