[tt-rss.git] / api / index.php

<?php

	/* This is experimental JSON-based API. It has to be manually enabled:
	 * 
	 * Add define('_JSON_API_ENABLED', true) to config.php
	 */

	error_reporting(E_ERROR | E_PARSE);

	require_once "../config.php";
	
	require_once "../db.php";
	require_once "../db-prefs.php";
	require_once "../functions.php";

	if (!defined('_JSON_API_ENABLED')) {
		print json_encode(array("error" => "API_DISABLED"));
		return;
	}

	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);	

	$session_expire = SESSION_EXPIRE_TIME; //seconds
	$session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid_api" : TTRSS_SESSION_NAME . "_api";

	session_start();

	if (!$link) {
		if (DB_TYPE == "mysql") {
			print mysql_error();
		}
		// PG seems to display its own errors just fine by default.		
		return;
	}

	init_connection($link);

	$op = db_escape_string($_REQUEST["op"]);

//	header("Content-Type: application/json");

	if (!$_SESSION["uid"] && $op != "login" && $op != "isLoggedIn") {
		print json_encode(array("error" => 'NOT_LOGGED_IN'));
		return;
	}

	if ($_SESSION["uid"] && $op != "logout" && !get_pref($link, 'ENABLE_API_ACCESS')) {
		print json_encode(array("error" => 'API_DISABLED'));
		return;
	} 

	switch ($op) {
		case "getVersion":
			$rv = array("version" => VERSION);
			print json_encode($rv);
		break;
		case "login":
			$login = db_escape_string($_REQUEST["user"]);
			$password = db_escape_string($_REQUEST["password"]);

			$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");

			if (db_num_rows($result) != 0) {
				$uid = db_fetch_result($result, 0, "id");
			} else {
				$uid = 0;
			}

			if (get_pref($link, "ENABLE_API_ACCESS", $uid)) {
				if (authenticate_user($link, $login, $password)) {
					print json_encode(array("uid" => $_SESSION["uid"]));
				} else {
					print json_encode(array("error" => "LOGIN_ERROR"));
				}
			} else {
				print json_encode(array("error" => "API_DISABLED"));
			}

			break;
		case "logout":
			logout_user();
			print json_encode(array("uid" => 0));
			break;
		case "isLoggedIn":
			print json_encode(array("status" => $_SESSION["uid"] != ''));
			break;
		case "getUnread":
			$feed_id = db_escape_string($_REQUEST["feed_id"]);
			$is_cat = db_escape_string($_REQUEST["is_cat"]);

			if ($feed_id) {
				print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
			} else {
				print json_encode(array("unread" => getGlobalUnread($link)));
			}
			break;
		case "getFeeds":
			$cat_id = db_escape_string($_REQUEST["cat_id"]);
			$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);

			if (!$cat_id) {
				$result = db_query($link, "SELECT 
					id, feed_url, cat_id, title, ".
						SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
						FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
			} else {
				$result = db_query($link, "SELECT 
					id, feed_url, cat_id, title, ".
						SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
						FROM ttrss_feeds WHERE 
							cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
			}

			$feeds = array();

			while ($line = db_fetch_assoc($result)) {

				$unread = getFeedUnread($link, $line["id"]);

				if ($unread || !$unread_only) {

					$row = array(
							"feed_url" => $line["feed_url"],
							"title" => $line["title"],
							"id" => (int)$line["id"],
							"unread" => (int)$unread,
							"cat_id" => (int)$line["cat_id"],
							"last_updated" => strtotime($line["last_updated"])
						);
	
					array_push($feeds, $row);
				}
			}

			/* Labels */

			if (!$cat_id || $cat_id == -2) {
				$counters = getLabelCounters($link, false, true);

				foreach (array_keys($counters) as $id) {

					$unread = $counters[$id]["counter"];
	
					if ($unread || !$unread_only) {
	
						$row = array(
								"id" => $id,
								"title" => $counters[$id]["description"],
								"unread" => $counters[$id]["counter"],
								"cat_id" => -2,
							);
	
						array_push($feeds, $row);
					}
				}
			}

			/* Virtual feeds */

			if (!$cat_id || $cat_id == -1) {
				foreach (array(-1, -2, -3, -4) as $i) {
					$unread = getFeedUnread($link, $i);

					if ($unread || !$unread_only) {
						$title = getFeedTitle($link, $i);

						$row = array(
								"id" => $i,
								"title" => $title,
								"unread" => $unread,
								"cat_id" => -1,
							);
						array_push($feeds, $row);
					}

				}
			}

			print json_encode($feeds);

			break;
		case "getCategories":
			$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);

			$result = db_query($link, "SELECT 
					id, title FROM ttrss_feed_categories 
				WHERE owner_uid = " . 
				$_SESSION["uid"]);

			$cats = array();

			while ($line = db_fetch_assoc($result)) {
				$unread = getFeedUnread($link, $line["id"], true);

				if ($unread || !$unread_only) {
					array_push($cats, array("id" => $line["id"],
						"title" => $line["title"], 
						"unread" => $unread));
				}
			}

			print json_encode($cats);
			break;
		case "getHeadlines":
			$feed_id = db_escape_string($_REQUEST["feed_id"]);
			$limit = (int)db_escape_string($_REQUEST["limit"]);
			$filter = db_escape_string($_REQUEST["filter"]);
			$is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
			$show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);

			/* do not rely on params below */

			$search = db_escape_string($_REQUEST["search"]);
			$search_mode = db_escape_string($_REQUEST["search_mode"]);
			$match_on = db_escape_string($_REQUEST["match_on"]);
			
			$qfh_ret = queryFeedHeadlines($link, $feed_id, $limit, 
				$view_mode, $is_cat, $search, $search_mode, $match_on);

			$result = $qfh_ret[0];
			$feed_title = $qfh_ret[1];

			$headlines = array();

			while ($line = db_fetch_assoc($result)) {
				$is_updated = ($line["last_read"] == "" && 
					($line["unread"] != "t" && $line["unread"] != "1"));

				$headline_row = array(
						"id" => (int)$line["id"],
						"unread" => sql_bool_to_bool($line["unread"]),
						"marked" => sql_bool_to_bool($line["marked"]),
						"updated" => strtotime($line["updated"]),
						"is_updated" => $is_updated,
						"title" => $line["title"],
						"feed_id" => $line["feed_id"],
					);

				if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
			
				array_push($headlines, $headline_row);
			}

			print json_encode($headlines);

			break;
		case "updateArticle":
			$article_id = (int) db_escape_string($_GET["article_id"]);
			$mode = (int) db_escape_string($_REQUEST["mode"]);
			$field_raw = (int)db_escape_string($_REQUEST["field"]);

			$field = "";
			$set_to = "";

			switch ($field_raw) {
				case 0:
					$field = "marked";
					break;
				case 1:
					$field = "published";
					break;
				case 2:
					$field = "unread";
					break;
			};

			switch ($mode) {
				case 1:
					$set_to = "true";
					break;
				case 0:
					$set_to = "false";
					break;
				case 2:
					$set_to = "NOT $field";
					break;
			}

			if ($field && $set_to) {
				if ($field == "unread") {
					$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
						last_read = NOW()
						WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
				} else {
					$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
						WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
				}
			}

			break;

		case "getArticle":

			$article_id = (int)db_escape_string($_REQUEST["article_id"]);

			$query = "SELECT title,link,content,feed_id,comments,int_id,
				marked,unread,published,
				".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
				author
				FROM ttrss_entries,ttrss_user_entries
				WHERE	id = '$article_id' AND ref_id = id AND owner_uid = " . 
					$_SESSION["uid"] ;

			$result = db_query($link, $query);

			$article = array();
			
			if (db_num_rows($result) != 0) {
				$line = db_fetch_assoc($result);
	
				$article = array(
					"title" => $line["title"],
					"link" => $line["link"],
					"labels" => get_article_labels($link, $article_id),
					"unread" => sql_bool_to_bool($line["unread"]),
					"marked" => sql_bool_to_bool($line["marked"]),
					"published" => sql_bool_to_bool($line["published"]),
					"comments" => $line["comments"],
					"author" => $line["author"],
					"updated" => strtotime($line["updated"]),
					"content" => $line["content"],
					"feed_id" => $line["feed_id"],			
				);
			}

			print json_encode($article);

			break;
	}

	db_close($link);
	
?>
Commit	Line	Data
378a548c AD	1	<?php
	2
	3	/* This is experimental JSON-based API. It has to be manually enabled:
	4	*
	5	* Add define('_JSON_API_ENABLED', true) to config.php
	6	*/
	7
	8	error_reporting(E_ERROR \| E_PARSE);
	9
	10	require_once "../config.php";
	11
	12	require_once "../db.php";
	13	require_once "../db-prefs.php";
	14	require_once "../functions.php";
	15
	16	if (!defined('_JSON_API_ENABLED')) {
	17	print json_encode(array("error" => "API_DISABLED"));
	18	return;
	19	}
	20
	21	$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
	22
	23	$session_expire = SESSION_EXPIRE_TIME; //seconds
	24	$session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid_api" : TTRSS_SESSION_NAME . "_api";
	25
	26	session_start();
	27
	28	if (!$link) {
	29	if (DB_TYPE == "mysql") {
	30	print mysql_error();
	31	}
	32	// PG seems to display its own errors just fine by default.
	33	return;
	34	}
	35
	36	init_connection($link);
	37
	38	$op = db_escape_string($_REQUEST["op"]);
	39
	40	// header("Content-Type: application/json");
	41
	42	if (!$_SESSION["uid"] && $op != "login" && $op != "isLoggedIn") {
	43	print json_encode(array("error" => 'NOT_LOGGED_IN'));
	44	return;
	45	}
	46
3a216db4	47	if ($_SESSION["uid"] && $op != "logout" && !get_pref($link, 'ENABLE_API_ACCESS')) {
378a548c AD	48	print json_encode(array("error" => 'API_DISABLED'));
378a548c AD	49	return;
3a216db4	50	}
378a548c AD	51
	52	switch ($op) {
	53	case "getVersion":
	54	$rv = array("version" => VERSION);
	55	print json_encode($rv);
	56	break;
	57	case "login":
	58	$login = db_escape_string($_REQUEST["user"]);
	59	$password = db_escape_string($_REQUEST["password"]);
	60
2bebdd34 AD	61	$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
	62
	63	if (db_num_rows($result) != 0) {
	64	$uid = db_fetch_result($result, 0, "id");
	65	} else {
	66	$uid = 0;
	67	}
	68
	69	if (get_pref($link, "ENABLE_API_ACCESS", $uid)) {
4cdd0d7c AD	70	if (authenticate_user($link, $login, $password)) {
	71	print json_encode(array("uid" => $_SESSION["uid"]));
	72	} else {
	73	print json_encode(array("error" => "LOGIN_ERROR"));
	74	}
378a548c	75	} else {
4cdd0d7c	76	print json_encode(array("error" => "API_DISABLED"));
378a548c AD	77	}
	78
	79	break;
	80	case "logout":
	81	logout_user();
	82	print json_encode(array("uid" => 0));
	83	break;
	84	case "isLoggedIn":
	85	print json_encode(array("status" => $_SESSION["uid"] != ''));
	86	break;
03e5f9eb AD	87	case "getUnread":
	88	$feed_id = db_escape_string($_REQUEST["feed_id"]);
	89	$is_cat = db_escape_string($_REQUEST["is_cat"]);
	90
	91	if ($feed_id) {
	92	print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
	93	} else {
	94	print json_encode(array("unread" => getGlobalUnread($link)));
	95	}
	96	break;
378a548c AD	97	case "getFeeds":
	98	$cat_id = db_escape_string($_REQUEST["cat_id"]);
	99	$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
	100
	101	if (!$cat_id) {
	102	$result = db_query($link, "SELECT
	103	id, feed_url, cat_id, title, ".
	104	SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
	105	FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
	106	} else {
	107	$result = db_query($link, "SELECT
	108	id, feed_url, cat_id, title, ".
	109	SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
	110	FROM ttrss_feeds WHERE
	111	cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
	112	}
	113
	114	$feeds = array();
	115
	116	while ($line = db_fetch_assoc($result)) {
	117
	118	$unread = getFeedUnread($link, $line["id"]);
	119
	120	if ($unread \|\| !$unread_only) {
	121
7e2b7e46	122	$row = array(
378a548c AD	123	"feed_url" => $line["feed_url"],
	124	"title" => $line["title"],
	125	"id" => (int)$line["id"],
	126	"unread" => (int)$unread,
	127	"cat_id" => (int)$line["cat_id"],
	128	"last_updated" => strtotime($line["last_updated"])
	129	);
	130
7e2b7e46 AD	131	array_push($feeds, $row);
	132	}
	133	}
	134
53aff642 AD	135	/* Labels */
	136
	137	if (!$cat_id \|\| $cat_id == -2) {
7e2b7e46 AD	138	$counters = getLabelCounters($link, false, true);
	139
	140	foreach (array_keys($counters) as $id) {
	141
	142	$unread = $counters[$id]["counter"];
	143
	144	if ($unread \|\| !$unread_only) {
	145
	146	$row = array(
	147	"id" => $id,
	148	"title" => $counters[$id]["description"],
	149	"unread" => $counters[$id]["counter"],
53aff642	150	"cat_id" => -2,
7e2b7e46 AD	151	);
	152
	153	array_push($feeds, $row);
	154	}
378a548c AD	155	}
	156	}
	157
53aff642 AD	158	/* Virtual feeds */
	159
	160	if (!$cat_id \|\| $cat_id == -1) {
	161	foreach (array(-1, -2, -3, -4) as $i) {
	162	$unread = getFeedUnread($link, $i);
	163
	164	if ($unread \|\| !$unread_only) {
	165	$title = getFeedTitle($link, $i);
	166
	167	$row = array(
	168	"id" => $i,
	169	"title" => $title,
	170	"unread" => $unread,
	171	"cat_id" => -1,
	172	);
	173	array_push($feeds, $row);
	174	}
	175
	176	}
	177	}
	178
378a548c AD	179	print json_encode($feeds);
	180
	181	break;
	182	case "getCategories":
730c97c7 AD	183	$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
730c97c7 AD	184
378a548c AD	185	$result = db_query($link, "SELECT
	186	id, title FROM ttrss_feed_categories
	187	WHERE owner_uid = " .
	188	$_SESSION["uid"]);
	189
	190	$cats = array();
	191
	192	while ($line = db_fetch_assoc($result)) {
	193	$unread = getFeedUnread($link, $line["id"], true);
730c97c7 AD	194
730c97c7 AD	195	if ($unread \|\| !$unread_only) {
f1c2b672 AD	196	array_push($cats, array("id" => $line["id"],
	197	"title" => $line["title"],
	198	"unread" => $unread));
730c97c7	199	}
378a548c AD	200	}
	201
	202	print json_encode($cats);
	203	break;
	204	case "getHeadlines":
	205	$feed_id = db_escape_string($_REQUEST["feed_id"]);
	206	$limit = (int)db_escape_string($_REQUEST["limit"]);
	207	$filter = db_escape_string($_REQUEST["filter"]);
	208	$is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
	209	$show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);
	210
	211	/* do not rely on params below */
	212
	213	$search = db_escape_string($_REQUEST["search"]);
	214	$search_mode = db_escape_string($_REQUEST["search_mode"]);
	215	$match_on = db_escape_string($_REQUEST["match_on"]);
	216
	217	$qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
	218	$view_mode, $is_cat, $search, $search_mode, $match_on);
	219
	220	$result = $qfh_ret[0];
	221	$feed_title = $qfh_ret[1];
	222
	223	$headlines = array();
	224
	225	while ($line = db_fetch_assoc($result)) {
	226	$is_updated = ($line["last_read"] == "" &&
	227	($line["unread"] != "t" && $line["unread"] != "1"));
	228
	229	$headline_row = array(
	230	"id" => (int)$line["id"],
	231	"unread" => sql_bool_to_bool($line["unread"]),
	232	"marked" => sql_bool_to_bool($line["marked"]),
	233	"updated" => strtotime($line["updated"]),
	234	"is_updated" => $is_updated,
	235	"title" => $line["title"],
	236	"feed_id" => $line["feed_id"],
	237	);
	238
	239	if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
	240
	241	array_push($headlines, $headline_row);
	242	}
	243
	244	print json_encode($headlines);
	245
730c97c7	246	break;
1c3fffbb AD	247	case "updateArticle":
	248	$article_id = (int) db_escape_string($_GET["article_id"]);
	249	$mode = (int) db_escape_string($_REQUEST["mode"]);
	250	$field_raw = (int)db_escape_string($_REQUEST["field"]);
	251
	252	$field = "";
	253	$set_to = "";
	254
	255	switch ($field_raw) {
	256	case 0:
	257	$field = "marked";
	258	break;
	259	case 1:
	260	$field = "published";
	261	break;
	262	case 2:
	263	$field = "unread";
	264	break;
	265	};
	266
	267	switch ($mode) {
	268	case 1:
	269	$set_to = "true";
	270	break;
	271	case 0:
	272	$set_to = "false";
	273	break;
	274	case 2:
	275	$set_to = "NOT $field";
	276	break;
	277	}
	278
	279	if ($field && $set_to) {
	280	if ($field == "unread") {
	281	$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
	282	last_read = NOW()
	283	WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
	284	} else {
	285	$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
	286	WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
	287	}
	288	}
	289
	290	break;
	291
730c97c7 AD	292	case "getArticle":
	293
	294	$article_id = (int)db_escape_string($_REQUEST["article_id"]);
	295
	296	$query = "SELECT title,link,content,feed_id,comments,int_id,
1c3fffbb	297	marked,unread,published,
730c97c7 AD	298	".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
	299	author
	300	FROM ttrss_entries,ttrss_user_entries
	301	WHERE id = '$article_id' AND ref_id = id AND owner_uid = " .
	302	$_SESSION["uid"] ;
	303
	304	$result = db_query($link, $query);
	305
	306	$article = array();
	307
	308	if (db_num_rows($result) != 0) {
	309	$line = db_fetch_assoc($result);
	310
	311	$article = array(
	312	"title" => $line["title"],
	313	"link" => $line["link"],
53aff642	314	"labels" => get_article_labels($link, $article_id),
730c97c7 AD	315	"unread" => sql_bool_to_bool($line["unread"]),
730c97c7 AD	316	"marked" => sql_bool_to_bool($line["marked"]),
1c3fffbb	317	"published" => sql_bool_to_bool($line["published"]),
730c97c7 AD	318	"comments" => $line["comments"],
	319	"author" => $line["author"],
	320	"updated" => strtotime($line["updated"]),
	321	"content" => $line["content"],
	322	"feed_id" => $line["feed_id"],
	323	);
	324	}
	325
	326	print json_encode($article);
	327
378a548c AD	328	break;
	329	}
	330
	331	db_close($link);
	332
	333	?>