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@ -4,10 +4,13 @@ import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"net/url"
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"os"
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"strings"
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"linkheader"
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@ -15,6 +18,10 @@ import (
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"willnorris.com/go/microformats"
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)
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type AuthResponse struct {
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Me string `json:"me"`
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}
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type Endpoints struct {
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AuthorizationEndpoint string `json:"authorization_endpoint"`
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TokenEndpoint string `json:"token_endpoint"`
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@ -183,3 +190,86 @@ func CreateAuthorizationURL(authURL url.URL, meURL, clientID, redirectURI, state
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authURL.RawQuery = q.Encode()
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return authURL.String()
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}
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func VerifyAuthCode(code, redirectURI, authEndpoint string) (bool, *AuthResponse, error) {
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const ClientID = "https://p83.nl/track-me"
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reqData := url.Values{}
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reqData.Set("code", code)
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reqData.Set("client_id", ClientID)
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reqData.Set("redirect_uri", redirectURI)
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req, err := http.NewRequest(http.MethodPost, authEndpoint, strings.NewReader(reqData.Encode()))
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if err != nil {
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return false, nil, err
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}
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req.Header.Add("Accept", "application/json")
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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client := http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return false, nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode == 200 {
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input := io.TeeReader(resp.Body, os.Stderr)
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dec := json.NewDecoder(input)
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var authResponse AuthResponse
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err = dec.Decode(&authResponse)
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if err != nil {
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return false, nil, err
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}
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return true, &authResponse, nil
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}
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return false, nil, fmt.Errorf("HTTP response code from authorization_endpoint (%s) %d", authEndpoint, resp.StatusCode)
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}
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type App struct {
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Name string
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IconURL string
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}
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func getPropString(mf *microformats.Microformat, prop string) string {
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if v, e := mf.Properties[prop]; e {
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if len(v) > 0 {
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if val, ok := v[0].(string); ok {
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return val
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}
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}
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}
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return ""
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}
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func GetAppInfo(clientID string) (App, error) {
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var app App
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clientURL, err := url.Parse(clientID)
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if err != nil {
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return app, err
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}
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resp, err := http.Get(clientID)
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if err != nil {
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return app, err
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}
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defer resp.Body.Close()
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md := microformats.Parse(resp.Body, clientURL)
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if len(md.Items) > 0 {
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mf := md.Items[0]
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if mf.Type[0] == "h-x-app" || mf.Type[0] == "h-app" {
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app.Name = getPropString(mf, "name")
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app.IconURL = getPropString(mf, "logo")
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}
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}
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return app, nil
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}
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