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package org.sufficientlysecure.keychain.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.JSONArray;
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.linked.LinkedTokenResource;
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.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class GithubResource extends LinkedTokenResource {
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 generate(Context context, byte[] fingerprint) {
String token = LinkedTokenResource.generate(fingerprint);
return String.format(context.getResources().getString(R.string.linked_id_github_text), token);
}
@SuppressWarnings("deprecation") // HttpGet is deprecated
@Override
protected String fetchResource (Context context, OperationLog log, int indent)
throws HttpStatusException, IOException, JSONException {
log.add(LogType.MSG_LV_FETCH, indent, mSubUri.toString());
indent += 1;
HttpGet httpGet = new HttpGet("https://api.github.com/gists/" + mGistId);
String response = getResponseBody(context, httpGet);
JSONObject obj = new JSONObject(response);
JSONObject owner = obj.getJSONObject("owner");
if (!mHandle.equals(owner.getString("login"))) {
log.add(LogType.MSG_LV_ERROR_GITHUB_HANDLE, 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");
}
log.add(LogType.MSG_LV_ERROR_GITHUB_NOT_FOUND, indent);
return null;
}
@Deprecated // not used for now, but could be used to pick up earlier posted gist if already present?
@SuppressWarnings({ "deprecation", "unused" })
public static GithubResource searchInGithubStream(
Context context, String screenName, String needle, OperationLog log) {
// narrow the needle down to important part
Matcher matcher = magicPattern.matcher(needle);
if (!matcher.find()) {
throw new AssertionError("Needle must contain token pattern! This is a programming error, please report.");
}
needle = matcher.group();
try {
JSONArray array; {
HttpGet httpGet =
new HttpGet("https://api.github.com/users/" + screenName + "/gists");
httpGet.setHeader("Content-Type", "application/json");
httpGet.setHeader("User-Agent", "OpenKeychain");
String response = getResponseBody(context, httpGet);
array = new JSONArray(response);
}
for (int i = 0, j = Math.min(array.length(), 5); i < j; i++) {
JSONObject obj = array.getJSONObject(i);
JSONObject files = obj.getJSONObject("files");
Iterator<String> it = files.keys();
if (it.hasNext()) {
JSONObject file = files.getJSONObject(it.next());
String type = file.getString("type");
if (!"text/plain".equals(type)) {
continue;
}
String id = obj.getString("id");
HttpGet httpGet = new HttpGet("https://api.github.com/gists/" + id);
httpGet.setHeader("User-Agent", "OpenKeychain");
JSONObject gistObj = new JSONObject(getResponseBody(context, httpGet));
JSONObject gistFiles = gistObj.getJSONObject("files");
Iterator<String> gistIt = gistFiles.keys();
if (!gistIt.hasNext()) {
continue;
}
// TODO can there be multiple candidates?
JSONObject gistFile = gistFiles.getJSONObject(gistIt.next());
String content = gistFile.getString("content");
if (!content.contains(needle)) {
continue;
}
URI uri = URI.create("https://gist.github.com/" + screenName + "/" + id);
return create(uri);
}
}
// update the results with the body of the response
log.add(LogType.MSG_LV_FETCH_ERROR_NOTHING, 2);
return null;
} 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, 2, Integer.toString(e.getStatus()));
} catch (MalformedURLException e) {
log.add(LogType.MSG_LV_FETCH_ERROR_URL, 2);
} catch (IOException e) {
Log.e(Constants.TAG, "io error", e);
log.add(LogType.MSG_LV_FETCH_ERROR_IO, 2);
} catch (JSONException e) {
Log.e(Constants.TAG, "json error", e);
log.add(LogType.MSG_LV_FETCH_ERROR_FORMAT, 2);
}
return null;
}
public static GithubResource create(URI uri) {
return create(new HashSet<String>(), new HashMap<String,String>(), uri);
}
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.linked_github;
}
@Override
public @StringRes
int getVerifiedText(boolean isSecret) {
return isSecret ? R.string.linked_verified_secret_github : R.string.linked_verified_github;
}
@Override
public String getDisplayTitle(Context context) {
return context.getString(R.string.linked_title_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;
}
}
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