map bbcode tag from Red

doc/BBCode.md

@@ -126,6 +126,15 @@ Where *url* can be an url to youtube, vimeo, soundcloud, or other sites wich sup
 If *url* supports oembed or opengraph specifications the embedded object will be shown (eg, documents from scribd).
 Page title with a link to *url* will be shown.
 
+Map
+---
+
+<pre>[map]address[/map]</pre>
+<pre>[map=lat,long]</pre>
+
+You can embed maps from coordinates or addresses. 
+Nominatim will be used to convert address to coordinates.
+This require "openstreetmap" addon version 1.3 or newer.
 
 
 Special

include/bbcode.php

@@ -1,6 +1,17 @@
 <?php
 require_once("include/oembed.php");
 require_once('include/event.php');
+require_once('include/map.php');
+
+
+function bb_map_coords($match) {
+	// the extra space in the following line is intentional
+	return str_replace($match[0],'<div class="map"  >' . generate_map(str_replace('/',' ',$match[1])) . '</div>', $match[0]);
+}
+function bb_map_location($match) {
+	// the extra space in the following line is intentional
+	return str_replace($match[0],'<div class="map"  >' . generate_named_map($match[1]) . '</div>', $match[0]);
+}
 
 function bb_attachment($Text, $plaintext = false, $tryoembed = true) {
 	$Text = preg_replace_callback("/(.*?)\[attachment(.*?)\](.*?)\[\/attachment\]/ism",
@@ -933,6 +944,19 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = fal
 	$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 	$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 	
+	// leave open the posibility of [map=something]
+	// this is replaced in prepare_body() which has knowledge of the item location
+
+	if (strpos($Text,'[/map]') !== false) {
+		$Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
+	}
+	if (strpos($Text,'[map=') !== false) {
+		$Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
+	}
+	if (strpos($Text,'[map]') !== false) {
+		$Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
+	}	
+	
 	// Check for headers
 	$Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism",'<h1>$1</h1>',$Text);
 	$Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'<h2>$1</h2>',$Text);

include/map.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Leaflet Map related functions
+ */
+ 
+ function generate_map($coord) {
+	$coord = trim($coord);
+	$coord = str_replace(array(',','/','  '),array(' ',' ',' '),$coord);
+	$arr = array('lat' => trim(substr($coord,0,strpos($coord,' '))), 'lon' => trim(substr($coord,strpos($coord,' ')+1)), 'html' => '');
+	call_hooks('generate_map',$arr);
+	return (($arr['html']) ? $arr['html'] : $coord);
+}
+function generate_named_map($location) {
+	$arr = array('location' => $location, 'html' => '');
+	call_hooks('generate_named_map',$arr);
+	return (($arr['html']) ? $arr['html'] : $location);
+}

include/network.php

@@ -9,6 +9,49 @@
 if(! function_exists('fetch_url')) {
 function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null, $cookiejar = 0) {
 
+	$ret = z_fetch_url(
+		$url, 
+		$binary, 
+		$redirects, 
+		array('timeout'=>$timeout, 
+		'accept_content'=>$accept_content,
+		'cookiejar'=>$cookiejar
+		));
+
+
+
+	return($ret['body']);
+}}
+
+if(!function_exists('z_fetch_url')){
+/**
+ * @brief fetches an URL.
+ *
+ * @param string $url
+ *    URL to fetch
+ * @param boolean $binary default false
+ *    TRUE if asked to return binary results (file download)
+ * @param int $redirects default 0
+ *    internal use, recursion counter
+ * @param array $opts (optional parameters) assoziative array with:
+ *  * \b accept_content => supply Accept: header with 'accept_content' as the value
+ *  * \b timeout => int seconds, default system config value or 60 seconds
+ *  * \b http_auth => username:password
+ *  * \b novalidate => do not validate SSL certs, default is to validate using our CA list
+ *  * \b nobody => only return the header
+ *	* \b cookiejar => path to cookie jar file
+ * 
+ * @return array an assoziative array with:
+ *  * \e int \b return_code => HTTP return code or 0 if timeout or failure
+ *  * \e boolean \b success => boolean true (if HTTP 2xx result) or false
+ *  * \e string \b header => HTTP headers
+ *  * \e string \b body => fetched content
+ */
+function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
+
+	$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
+	
+
 	$stamp1 = microtime(true);
 
 	$a = get_app();
@@ -19,18 +62,18 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
 
 	@curl_setopt($ch, CURLOPT_HEADER, true);
 
-	if($cookiejar) {
-		curl_setopt($ch, CURLOPT_COOKIEJAR, $cookiejar);
-		curl_setopt($ch, CURLOPT_COOKIEFILE, $cookiejar);
+	if(x($opts,"cookiejar")) {
+		curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
+		curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
 	}
 
 //  These settings aren't needed. We're following the location already.
 //	@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 //	@curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
 
-	if (!is_null($accept_content)){
+	if (x($opts,'accept_content')){
 		curl_setopt($ch,CURLOPT_HTTPHEADER, array (
-			"Accept: " . $accept_content
+			"Accept: " . $opts['accept_content']
 		));
 	}
 
@@ -38,6 +81,13 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
 	@curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
 
 
+
+	if(x($opts,'headers')){
+		@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
+	}
+	if(x($opts,'nobody')){
+		@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
+	}
 	if(intval($timeout)) {
 		@curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
 	}
@@ -72,7 +122,7 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
 
 	$base = $s;
 	$curl_info = @curl_getinfo($ch);
-	@curl_close($ch);
+
 	$http_code = $curl_info['http_code'];
 	logger('fetch_url '.$url.': '.$http_code." ".$s, LOGGER_DATA);
 	$header = '';
@@ -103,19 +153,40 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
 			$newurl = $old_location_info["scheme"]."://".$old_location_info["host"].$newurl;
 		if (filter_var($newurl, FILTER_VALIDATE_URL)) {
 			$redirects++;
+			@curl_close($ch);
 			return fetch_url($newurl,$binary,$redirects,$timeout,$accept_content,$cookiejar);
 		}
 	}
 
+
 	$a->set_curl_code($http_code);
 	$a->set_curl_content_type($curl_info['content_type']);
 
 	$body = substr($s,strlen($header));
 	$a->set_curl_headers($header);
 
+
+
+	$rc = intval($http_code);
+	$ret['return_code'] = $rc;
+	$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
+	if(! $ret['success']) {
+		$ret['error'] = curl_error($ch);
+		$ret['debug'] = $curl_info;
+		logger('z_fetch_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
+		logger('z_fetch_url: debug: ' . print_r($curl_info,true), LOGGER_DATA);
+	}
+	$ret['body'] = substr($s,strlen($header));
+	$ret['header'] = $header;
+	if(x($opts,'debug')) {
+		$ret['debug'] = $curl_info;
+	}
+	@curl_close($ch);
+	
 	$a->save_timestamp($stamp1, "network");
 	
-	return($body);
+	return($ret);
+
 }}
 
 // post request to $url. $params is an array of post variables.

include/text.php

@@ -2,8 +2,10 @@
 
 require_once("include/template_processor.php");
 require_once("include/friendica_smarty.php");
+require_once("include/map.php");
 require_once("mod/proxy.php");
 
+
 if(! function_exists('replace_macros')) {
 /**
  * This is our template processor
@@ -1461,6 +1463,14 @@ function prepare_body(&$item,$attach = false, $preview = false) {
 	}
 	$s = $s . $as;
 
+	// map
+	if(strpos($s,'<div class="map">') !== false && $item['coord']) {
+		$x = generate_map(trim($item['coord']));
+		if($x) {
+			$s = preg_replace('/\<div class\=\"map\"\>/','$0' . $x,$s);
+		}
+	}		
+
 
 	// Look for spoiler
 	$spoilersearch = '<blockquote class="spoiler">';