1 files changed, 146 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/linked/resources/GithubResource.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/linked/resources/GithubResource.java
new file mode 100644
index 000000000..de313e14e
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/linked/resources/GithubResource.java
@@ -0,0 +1,146 @@
+package org.sufficientlysecure.keychain.pgp.linked.resources;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.DrawableRes;
+import android.support.annotation.StringRes;
+
+import org.apache.http.client.methods.HttpGet;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.pgp.linked.LinkedCookieResource;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class GithubResource extends LinkedCookieResource {
+
+    final String mHandle;
+    final String mGistId;
+
+    GithubResource(Set<String> flags, HashMap<String,String> params, URI uri,
+            String handle, String gistId) {
+        super(flags, params, uri);
+
+        mHandle = handle;
+        mGistId = gistId;
+    }
+
+    public static String generateText (Context context, byte[] fingerprint) {
+        String cookie = LinkedCookieResource.generate(context, fingerprint);
+
+        return String.format(context.getResources().getString(R.string.linked_id_github_text), cookie);
+    }
+
+    @Override
+    protected String fetchResource (OperationLog log, int indent) {
+
+        log.add(LogType.MSG_LV_FETCH, indent, mSubUri.toString());
+        indent += 1;
+
+        try {
+
+            HttpGet httpGet = new HttpGet("https://api.github.com/gists/" + mGistId);
+
+            String response = getResponseBody(httpGet);
+
+            JSONObject obj = new JSONObject(response);
+
+            JSONObject owner = obj.getJSONObject("owner");
+            if (!mHandle.equals(owner.getString("login"))) {
+                log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, indent);
+                return null;
+            }
+
+            JSONObject files = obj.getJSONObject("files");
+            Iterator<String> it = files.keys();
+            if (it.hasNext()) {
+                // TODO can there be multiple candidates?
+                JSONObject file = files.getJSONObject(it.next());
+                return file.getString("content");
+            }
+
+        } catch (HttpStatusException e) {
+            // log verbose output to logcat
+            Log.e(Constants.TAG, "http error (" + e.getStatus() + "): " + e.getReason());
+            log.add(LogType.MSG_LV_FETCH_ERROR, indent, Integer.toString(e.getStatus()));
+        } catch (MalformedURLException e) {
+            log.add(LogType.MSG_LV_FETCH_ERROR_URL, indent);
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "io error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_IO, indent);
+        } catch (JSONException e) {
+            Log.e(Constants.TAG, "json error", e);
+            log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, indent);
+        }
+        return null;
+
+    }
+
+    public static GithubResource create(Set<String> flags, HashMap<String,String> params, URI uri) {
+
+        // no params or flags
+        if (!flags.isEmpty() || !params.isEmpty()) {
+            return null;
+        }
+
+        Pattern p = Pattern.compile("https://gist\\.github\\.com/([a-zA-Z0-9_]+)/([0-9a-f]+)");
+        Matcher match = p.matcher(uri.toString());
+        if (!match.matches()) {
+            return null;
+        }
+        String handle = match.group(1);
+        String gistId = match.group(2);
+
+        return new GithubResource(flags, params, uri, handle, gistId);
+
+    }
+
+
+    @Override
+    public @DrawableRes
+    int getDisplayIcon() {
+        return R.drawable.github;
+    }
+
+    @Override
+    public @StringRes
+    int getVerifiedText() {
+        return R.string.linked_verified_github;
+    }
+
+    @Override
+    public String getDisplayTitle(Context context) {
+        return "Github";
+    }
+
+    @Override
+    public String getDisplayComment(Context context) {
+        return mHandle;
+    }
+
+    @Override
+    public boolean isViewable() {
+        return true;
+    }
+
+    @Override
+    public Intent getViewIntent() {
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse(mSubUri.toString()));
+        return intent;
+    }
+}