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317 lines
10 KiB
317 lines
10 KiB
<?php
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namespace App\Http\Controllers;
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use Laravel\Lumen\Routing\Controller as BaseController;
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use Illuminate\Http\Request;
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use DB;
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class Controller extends BaseController
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{
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private static function displayURL() {
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return preg_replace('/(^https?:\/\/|\/$)/', '', session('me'));
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}
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public function index(Request $request) {
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if(session('user_id')) {
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$databases = DB::select('SELECT d.*
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FROM `databases` d
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JOIN database_users u ON d.id = u.database_id
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WHERE u.user_id = ?
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ORDER BY name', [session('user_id')]);
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return view('dashboard', [
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'displayURL' => self::displayURL(),
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'databases' => $databases
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]);
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} else {
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return view('index');
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}
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}
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public function createDatabase(Request $request) {
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if(!session('user_id'))
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return redirect('/');
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if($request->input('name') == '') {
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$request->session()->flash('create-error', 'Enter a name.');
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return redirect('/');
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}
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// Only alphanumeric chars are allowed
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if(preg_replace('/[^a-zA-Z0-9]/', '', $request->input('name')) != $request->input('name')) {
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$request->session()->flash('create-error', 'Only alphanumeric characters are allowed.');
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$request->session()->flash('database-name', preg_replace('/[^a-zA-Z0-9]/','',$request->input('name')));
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return redirect('/');
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}
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// Check for conflicts
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$db = DB::select('SELECT * FROM `databases` WHERE name = ?', [$request->input('name')]);
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if(count($db) == 0) {
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// Create the database records
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$id = DB::table('databases')->insertGetId([
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'name' => $request->input('name'),
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'read_token' => str_random(40),
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'write_token' => str_random(40),
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'created_by' => session('user_id'),
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'created_at' => date('Y-m-d H:i:s')
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]);
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DB::table('database_users')->insert([
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'database_id' => $id,
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'user_id' => session('user_id'),
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'created_at' => date('Y-m-d H:i:s')
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]);
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return redirect('/');
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} else {
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$request->session()->flash('create-error', 'That database name is already in use.');
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$request->session()->flash('database-name', $request->input('name'));
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return redirect('/');
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}
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}
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public function map(Request $request, $name) {
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if(!session('user_id'))
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return redirect('/');
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// Verify this user has access to the database
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$db = DB::table('databases')
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->join('database_users', function($join){
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$join->on('databases.id','=','database_users.database_id');
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})
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->where('user_id','=',session('user_id'))
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->where('name','=',$name)
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->first();
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if(!$db)
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return redirect('/');
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return view('map', [
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'displayURL' => self::displayURL(),
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'database' => $db,
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'menu' => [
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'/settings/'.$name => 'Settings'
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],
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'range_from' => $request->input('from') ?: '',
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'range_to' => $request->input('to') ?: '',
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'range_tz' => $request->input('tz') ?: $db->timezone
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]);
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}
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public function settings(Request $request, $name) {
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if(!session('user_id'))
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return redirect('/');
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// Only the person that created the database can modify it
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$db = DB::table('databases')
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->where('created_by','=',session('user_id'))
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->where('name','=',$name)
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->first();
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if(!$db)
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return redirect('/');
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$users = DB::select('SELECT u.*
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FROM users u
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JOIN database_users d ON u.id = d.user_id
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WHERE d.database_id = ?
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ORDER BY u.url', [$db->id]);
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return view('settings', [
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'displayURL' => self::displayURL(),
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'database' => $db,
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'users' => $users,
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'menu' => [
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'/map/'.$name => 'Map'
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]
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]);
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}
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public function updateSettings(Request $request, $name) {
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if(!session('user_id'))
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return redirect('/');
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// Only the person that created the database can modify it
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$db = DB::table('databases')
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->where('created_by','=',session('user_id'))
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->where('name','=',$name)
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->first();
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if(!$db)
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return redirect('/');
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if($request->input('remove_user')) {
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$user = DB::table('users')->where('url','=',$request->input('remove_user'))->first();
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if($user) {
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DB::table('database_users')->where('database_id','=',$db->id)->where('user_id','=',$user->id)->delete();
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}
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return response(json_encode([
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'result' => 'ok'
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]))->header('Content-Type', 'application/json');
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} else if($request->input('add_user')) {
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// Find user if it exists already
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$user = DB::table('users')->where('url','=',$request->input('add_user'))->first();
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if($user) {
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$user_id = $user->id;
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} else {
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$user_id = DB::table('users')->insertGetId([
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'url' => $request->input('add_user'),
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'created_at' => date('Y-m-d H:i:s')
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]);
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}
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// Add access to the database
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$exists = DB::table('database_users')->where('database_id','=',$db->id)->where('user_id','=',$user_id)->first();
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if(!$exists) {
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DB::table('database_users')->insert([
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'database_id' => $db->id,
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'user_id' => $user_id,
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'created_at' => date('Y-m-d H:i:s')
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]);
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}
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return redirect('/settings/'.$db->name);
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} else if($request->input('micropub_endpoint')) {
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DB::table('databases')->where('id', $db->id)
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->update([
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'micropub_endpoint' => $request->input('micropub_endpoint'),
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'micropub_token' => $request->input('micropub_token'),
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]);
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return redirect('/settings/'.$db->name);
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} else if($request->input('ping_urls')) {
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DB::table('databases')->where('id', $db->id)
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->update([
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'ping_urls' => $request->input('ping_urls'),
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]);
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return redirect('/settings/'.$db->name);
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} else if($request->input('timezone')) {
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DB::table('databases')->where('id', $db->id)
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->update([
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'timezone' => $request->input('timezone'),
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'metric' => $request->input('metric'),
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]);
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return redirect('/settings/'.$db->name);
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}
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}
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public function micropubStart(Request $request, $dbName) {
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$me = \IndieAuth\Client::normalizeMeURL($request->input('me'));
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if(!$me) {
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return view('auth/error', ['error' => 'Invalid URL']);
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}
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$state = \IndieAuth\Client::generateStateParameter();
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$authorizationEndpoint = \IndieAuth\Client::discoverAuthorizationEndpoint($me);
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if(!$authorizationEndpoint) {
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return view('auth/error', ['error' => 'No Authorization Endpoint Specified']);
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}
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// Isolate session variables to this variable only
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session([$dbName => [
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'auth_state' => $state,
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'attempted_me' => $me,
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'authorization_endpoint' => $authorizationEndpoint
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]]);
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$authorizationURL = \IndieAuth\Client::buildAuthorizationURL($authorizationEndpoint, $me, $this->_databaseRedirectURI($dbName), env('BASE_URL'), $state, 'create');
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return redirect($authorizationURL);
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}
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public function micropubCallback(Request $request, $dbName) {
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$settingsSession = session($dbName);
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// Start all error checking
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if(!$settingsSession['auth_state'] || !$settingsSession['attempted_me']) {
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return view('auth/error', ['error' => 'Missing state information. Start over.']);
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}
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if($request->input('error')) {
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return view('auth/error', ['error' => $request->input('error')]);
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}
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if($settingsSession['auth_state'] != $request->input('state')) {
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return view('auth/error', ['error' => 'State did not match. Start over.']);
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}
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// Verify that the database exists and doesn't have micropub already
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$db = DB::table('databases')
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->where('name','=',$dbName)
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->first();
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if (!$db) {
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return view('auth/error', ['error' => 'Database requested does not exist']);
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}
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if (!empty($db->micropub_token)) {
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return view('auth/error', ['error' => 'Database already is connected to a micropub endpoint. Please remove the existing endpoint first.']);
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}
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$tokenEndpoint = \IndieAuth\Client::discoverTokenEndpoint($settingsSession['attempted_me']);
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if (empty($tokenEndpoint)) {
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return view('auth/error', ['error' => 'Could not find user\'s token endpoint']);
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}
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$token = \IndieAuth\Client::getAccessToken($tokenEndpoint, $request->input('code'), $settingsSession['attempted_me'], $this->_databaseRedirectURI($dbName), env('BASE_URL'));
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if($token && array_key_exists('me', $token)) {
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// forget the current db settings session
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session()->forget($dbName);
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if (!array_key_exists('access_token', $token)) {
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return view('auth/error', ['error' => 'Could not find access_token']);
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}
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if (!array_key_exists('scope', $token) || strpos($token['scope'], 'create') === false) {
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return view('auth/error', ['error' => 'You were not granted a create scope']);
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}
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$micropubEndpoint = \IndieAuth\Client::discoverMicropubEndpoint($token['me']);
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$micropubToken = $token['access_token'];
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DB::table('databases')->where('id', $db->id)
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->update([
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'micropub_endpoint' => $micropubEndpoint,
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'micropub_token' => $micropubToken
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]);
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} else {
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return view('auth/error', ['error' => 'No url id found']);
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}
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return redirect('/settings/'.$db->name);
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}
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public function removeMicropub(Request $request, $dbName) {
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$db = DB::table('databases')
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->where('name','=',$dbName)
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->first();
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if (!$db) {
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return view('auth/error', ['error' => 'Database requested does not exist']);
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}
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DB::table('databases')->where('id', $db->id)
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->update([
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'micropub_endpoint' => '',
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'micropub_token' => ''
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]);
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return redirect('/settings/'.$db->name);
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}
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private function _databaseRedirectURI($dbName) {
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return env('BASE_URL') . 'settings/' . $dbName . '/auth/callback';
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}
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}
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