[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"]);

			if (get_pref($link, "ENABLE_API_ACCESS", $login)) {
				if (authenticate_user($link, $login, $password)) {
					print json_encode(array("uid" => $_SESSION["uid"]));
				} else {
					print json_encode(array("error" => "LOGIN_ERROR"));
				}
			} else {
				logout_user();
				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
4cdd0d7c AD	61	if (get_pref($link, "ENABLE_API_ACCESS", $login)) {
	62	if (authenticate_user($link, $login, $password)) {
	63	print json_encode(array("uid" => $_SESSION["uid"]));
	64	} else {
	65	print json_encode(array("error" => "LOGIN_ERROR"));
	66	}
378a548c	67	} else {
4cdd0d7c AD	68	logout_user();
4cdd0d7c AD	69	print json_encode(array("error" => "API_DISABLED"));
378a548c AD	70	}
	71
	72	break;
	73	case "logout":
	74	logout_user();
	75	print json_encode(array("uid" => 0));
	76	break;
	77	case "isLoggedIn":
	78	print json_encode(array("status" => $_SESSION["uid"] != ''));
	79	break;
03e5f9eb AD	80	case "getUnread":
	81	$feed_id = db_escape_string($_REQUEST["feed_id"]);
	82	$is_cat = db_escape_string($_REQUEST["is_cat"]);
	83
	84	if ($feed_id) {
	85	print json_encode(array("unread" => getFeedUnread($link, $feed_id, $is_cat)));
	86	} else {
	87	print json_encode(array("unread" => getGlobalUnread($link)));
	88	}
	89	break;
378a548c AD	90	case "getFeeds":
	91	$cat_id = db_escape_string($_REQUEST["cat_id"]);
	92	$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
	93
	94	if (!$cat_id) {
	95	$result = db_query($link, "SELECT
	96	id, feed_url, cat_id, title, ".
	97	SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
	98	FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
	99	} else {
	100	$result = db_query($link, "SELECT
	101	id, feed_url, cat_id, title, ".
	102	SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
	103	FROM ttrss_feeds WHERE
	104	cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"]);
	105	}
	106
	107	$feeds = array();
	108
	109	while ($line = db_fetch_assoc($result)) {
	110
	111	$unread = getFeedUnread($link, $line["id"]);
	112
	113	if ($unread \|\| !$unread_only) {
	114
7e2b7e46	115	$row = array(
378a548c AD	116	"feed_url" => $line["feed_url"],
	117	"title" => $line["title"],
	118	"id" => (int)$line["id"],
	119	"unread" => (int)$unread,
	120	"cat_id" => (int)$line["cat_id"],
	121	"last_updated" => strtotime($line["last_updated"])
	122	);
	123
7e2b7e46 AD	124	array_push($feeds, $row);
	125	}
	126	}
	127
53aff642 AD	128	/* Labels */
	129
	130	if (!$cat_id \|\| $cat_id == -2) {
7e2b7e46 AD	131	$counters = getLabelCounters($link, false, true);
	132
	133	foreach (array_keys($counters) as $id) {
	134
	135	$unread = $counters[$id]["counter"];
	136
	137	if ($unread \|\| !$unread_only) {
	138
	139	$row = array(
	140	"id" => $id,
	141	"title" => $counters[$id]["description"],
	142	"unread" => $counters[$id]["counter"],
53aff642	143	"cat_id" => -2,
7e2b7e46 AD	144	);
	145
	146	array_push($feeds, $row);
	147	}
378a548c AD	148	}
	149	}
	150
53aff642 AD	151	/* Virtual feeds */
	152
	153	if (!$cat_id \|\| $cat_id == -1) {
	154	foreach (array(-1, -2, -3, -4) as $i) {
	155	$unread = getFeedUnread($link, $i);
	156
	157	if ($unread \|\| !$unread_only) {
	158	$title = getFeedTitle($link, $i);
	159
	160	$row = array(
	161	"id" => $i,
	162	"title" => $title,
	163	"unread" => $unread,
	164	"cat_id" => -1,
	165	);
	166	array_push($feeds, $row);
	167	}
	168
	169	}
	170	}
	171
378a548c AD	172	print json_encode($feeds);
	173
	174	break;
	175	case "getCategories":
730c97c7 AD	176	$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
730c97c7 AD	177
378a548c AD	178	$result = db_query($link, "SELECT
	179	id, title FROM ttrss_feed_categories
	180	WHERE owner_uid = " .
	181	$_SESSION["uid"]);
	182
	183	$cats = array();
	184
	185	while ($line = db_fetch_assoc($result)) {
	186	$unread = getFeedUnread($link, $line["id"], true);
730c97c7 AD	187
730c97c7 AD	188	if ($unread \|\| !$unread_only) {
f1c2b672 AD	189	array_push($cats, array("id" => $line["id"],
	190	"title" => $line["title"],
	191	"unread" => $unread));
730c97c7	192	}
378a548c AD	193	}
	194
	195	print json_encode($cats);
	196	break;
	197	case "getHeadlines":
	198	$feed_id = db_escape_string($_REQUEST["feed_id"]);
	199	$limit = (int)db_escape_string($_REQUEST["limit"]);
	200	$filter = db_escape_string($_REQUEST["filter"]);
	201	$is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
	202	$show_except = (bool)db_escape_string($_REQUEST["show_excerpt"]);
	203
	204	/* do not rely on params below */
	205
	206	$search = db_escape_string($_REQUEST["search"]);
	207	$search_mode = db_escape_string($_REQUEST["search_mode"]);
	208	$match_on = db_escape_string($_REQUEST["match_on"]);
	209
	210	$qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
	211	$view_mode, $is_cat, $search, $search_mode, $match_on);
	212
	213	$result = $qfh_ret[0];
	214	$feed_title = $qfh_ret[1];
	215
	216	$headlines = array();
	217
	218	while ($line = db_fetch_assoc($result)) {
	219	$is_updated = ($line["last_read"] == "" &&
	220	($line["unread"] != "t" && $line["unread"] != "1"));
	221
	222	$headline_row = array(
	223	"id" => (int)$line["id"],
	224	"unread" => sql_bool_to_bool($line["unread"]),
	225	"marked" => sql_bool_to_bool($line["marked"]),
	226	"updated" => strtotime($line["updated"]),
	227	"is_updated" => $is_updated,
	228	"title" => $line["title"],
	229	"feed_id" => $line["feed_id"],
	230	);
	231
	232	if ($show_except) $headline_row["excerpt"] = $line["content_preview"];
	233
	234	array_push($headlines, $headline_row);
	235	}
	236
	237	print json_encode($headlines);
	238
730c97c7	239	break;
1c3fffbb AD	240	case "updateArticle":
	241	$article_id = (int) db_escape_string($_GET["article_id"]);
	242	$mode = (int) db_escape_string($_REQUEST["mode"]);
	243	$field_raw = (int)db_escape_string($_REQUEST["field"]);
	244
	245	$field = "";
	246	$set_to = "";
	247
	248	switch ($field_raw) {
	249	case 0:
	250	$field = "marked";
	251	break;
	252	case 1:
	253	$field = "published";
	254	break;
	255	case 2:
	256	$field = "unread";
	257	break;
	258	};
	259
	260	switch ($mode) {
	261	case 1:
	262	$set_to = "true";
	263	break;
	264	case 0:
	265	$set_to = "false";
	266	break;
	267	case 2:
	268	$set_to = "NOT $field";
	269	break;
	270	}
	271
	272	if ($field && $set_to) {
	273	if ($field == "unread") {
	274	$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to,
	275	last_read = NOW()
	276	WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
	277	} else {
	278	$result = db_query($link, "UPDATE ttrss_user_entries SET $field = $set_to
	279	WHERE ref_id = '$article_id' AND owner_uid = " . $_SESSION["uid"]);
	280	}
	281	}
	282
	283	break;
	284
730c97c7 AD	285	case "getArticle":
	286
	287	$article_id = (int)db_escape_string($_REQUEST["article_id"]);
	288
	289	$query = "SELECT title,link,content,feed_id,comments,int_id,
1c3fffbb	290	marked,unread,published,
730c97c7 AD	291	".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
	292	author
	293	FROM ttrss_entries,ttrss_user_entries
	294	WHERE id = '$article_id' AND ref_id = id AND owner_uid = " .
	295	$_SESSION["uid"] ;
	296
	297	$result = db_query($link, $query);
	298
	299	$article = array();
	300
	301	if (db_num_rows($result) != 0) {
	302	$line = db_fetch_assoc($result);
	303
	304	$article = array(
	305	"title" => $line["title"],
	306	"link" => $line["link"],
53aff642	307	"labels" => get_article_labels($link, $article_id),
730c97c7 AD	308	"unread" => sql_bool_to_bool($line["unread"]),
730c97c7 AD	309	"marked" => sql_bool_to_bool($line["marked"]),
1c3fffbb	310	"published" => sql_bool_to_bool($line["published"]),
730c97c7 AD	311	"comments" => $line["comments"],
	312	"author" => $line["author"],
	313	"updated" => strtotime($line["updated"]),
	314	"content" => $line["content"],
	315	"feed_id" => $line["feed_id"],
	316	);
	317	}
	318
	319	print json_encode($article);
	320
378a548c AD	321	break;
	322	}
	323
	324	db_close($link);
	325
	326	?>