X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fbbcode.php;h=a14e3ee8e9b88f9377b6d9ed02adb73b1e18e59e;hb=dbb5df7f7d65e4f94add3f0684d9bff40e5f8167;hp=d891f23dae4c07f5c4c8091e0a2a5e898130d544;hpb=86cae070f2a048e553c545caec54be72c1c14da5;p=friendica.git

diff --git a/include/bbcode.php b/include/bbcode.php
index d891f23dae..a14e3ee8e9 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -1,6 +1,7 @@
 <?php
 
 use Friendica\App;
+use Friendica\Core\System;
 use Friendica\Core\Config;
 
 require_once 'include/oembed.php';
@@ -9,6 +10,7 @@ require_once 'include/map.php';
 require_once 'mod/proxy.php';
 require_once 'include/Contact.php';
 require_once 'include/plaintext.php';
+require_once 'include/Smilies.php';
 
 function bb_PictureCacheExt($matches) {
 	if (strpos($matches[3], "data:image/") === 0) {
@@ -49,28 +51,21 @@ function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
 		$data["title"] = str_replace(array("http://", "https://"), "", $data["title"]);
 	}
 
-	if (((strpos($data["text"], "[img=") !== false) OR (strpos($data["text"], "[img]") !== false)) AND ($data["image"] != "")) {
+	if (((strpos($data["text"], "[img=") !== false) || (strpos($data["text"], "[img]") !== false)) && ($data["image"] != "")) {
 		$data["preview"] = $data["image"];
 		$data["image"] = "";
 	}
 
 	if ($simplehtml == 7) {
-		$title2 = $data["title"];
-
-		$test1 = trim(html_entity_decode($data["text"],ENT_QUOTES,'UTF-8'));
-		$test2 = trim(html_entity_decode($data["title"],ENT_QUOTES,'UTF-8'));
-
-		// If the link description is similar to the text above then don't add the link description
-		if (($data["title"] != "") AND ((strpos($test1,$test2) !== false) OR
-			(similar_text($test1,$test2) / strlen($data["title"])) > 0.9)) {
-			$title2 = $data["url"];
-		}
-		$text = sprintf('<a href="%s" title="%s" class="attachment" rel="nofollow external">%s</a><br />',
-				$data["url"], $data["title"], $title2);
-	} elseif (($simplehtml != 4) AND ($simplehtml != 0)) {
+		$text = style_url_for_mastodon($data["url"]);
+	} elseif (($simplehtml != 4) && ($simplehtml != 0)) {
 		$text = sprintf('<a href="%s" target="_blank">%s</a><br>', $data["url"], $data["title"]);
 	} else {
-		$text = sprintf('<span class="type-%s">', $data["type"]);
+		if ($simplehtml != 4) {
+			$text = sprintf('<span class="type-%s">', $data["type"]);
+		} else {
+			$span_end = '';
+		}
 
 		$bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $data["url"], $data["title"]), $data["url"], $data["title"]);
 		if ($tryoembed) {
@@ -82,22 +77,26 @@ function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
 		if (strstr(strtolower($oembed), "<iframe ")) {
 			$text = $oembed;
 		} else {
-			if (($data["image"] != "") AND !strstr(strtolower($oembed), "<img ")) {
+			if (($data["image"] != "") && !strstr(strtolower($oembed), "<img ")) {
 				$text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], proxy_url($data["image"]), $data["title"]);
-			} elseif (($data["preview"] != "") AND !strstr(strtolower($oembed), "<img ")) {
+			} elseif (($data["preview"] != "") && !strstr(strtolower($oembed), "<img ")) {
 				$text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], proxy_url($data["preview"]), $data["title"]);
 			}
 
-			if (($data["type"] == "photo") AND ($data["url"] != "") AND ($data["image"] != "")) {
+			if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
 				$text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data["url"], proxy_url($data["image"]), $data["title"]);
 			} else {
 				$text .= $oembed;
 			}
 
 			if (trim($data["description"]) != "") {
-				$text .= sprintf('<blockquote>%s</blockquote></span>', trim(bbcode($data["description"])));
+				$text .= sprintf('<blockquote>%s</blockquote>', trim(bbcode($data["description"])));
 			}
 		}
+
+		if ($simplehtml != 4) {
+			$text .= '</span>';
+		}
 	}
 	return trim($data["text"].' '.$text.' '.$data["after"]);
 }
@@ -114,25 +113,25 @@ function bb_remove_share_information($Text, $plaintext = false, $nolink = false)
 
 	$title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
 	$text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
-	if ($plaintext OR (($title != "") AND strstr($text, $title))) {
+	if ($plaintext || (($title != "") && strstr($text, $title))) {
 		$data["title"] = $data["url"];
-	} elseif (($text != "") AND strstr($title, $text)) {
+	} elseif (($text != "") && strstr($title, $text)) {
 		$data["text"] = $data["title"];
 		$data["title"] = $data["url"];
 	}
 
-	if (($data["text"] == "") AND ($data["title"] != "") AND ($data["url"] == "")) {
+	if (($data["text"] == "") && ($data["title"] != "") && ($data["url"] == "")) {
 		return $data["title"] . $data["after"];
 	}
 
 	// If the link already is included in the post, don't add it again
-	if (($data["url"] != "") AND strpos($data["text"], $data["url"])) {
+	if (($data["url"] != "") && strpos($data["text"], $data["url"])) {
 		return $data["text"] . $data["after"];
 	}
 
 	$text = $data["text"];
 
-	if (($data["url"] != "") AND ($data["title"] != "")) {
+	if (($data["url"] != "") && ($data["title"] != "")) {
 		$text .= "\n[url=" . $data["url"] . "]" . $data["title"] . "[/url]";
 	} elseif (($data["url"] != "")) {
 		$text .= "\n" . $data["url"];
@@ -158,7 +157,7 @@ function cleancss($input) {
 	for ($i = 0; $i < strlen($input); $i++) {
 		$char = substr($input, $i, 1);
 
-		if (($char >= "a") and ($char <= "z")) {
+		if (($char >= "a") && ($char <= "z")) {
 			$cleaned .= $char;
 		}
 
@@ -170,6 +169,54 @@ function cleancss($input) {
 	return $cleaned;
 }
 
+/**
+ * @brief Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
+ * @param array $match Array with the matching values
+ * @return string reformatted link including HTML codes
+ */
+function bb_style_url($match) {
+        $url = $match[1];
+
+	if (isset($match[2]) && ($match[1] != $match[2])) {
+		return $match[0];
+	}
+
+        $parts = parse_url($url);
+        if (!isset($parts['scheme'])) {
+                return $match[0];
+        }
+
+	return style_url_for_mastodon($url);
+}
+
+/**
+ * @brief Converts [url] BBCodes in a format that looks fine on Mastodon and GNU Social.
+ * @param string $url URL that is about to be reformatted
+ * @return string reformatted link including HTML codes
+ */
+function style_url_for_mastodon($url) {
+        $styled_url = $url;
+
+        $parts = parse_url($url);
+        $scheme = $parts['scheme'].'://';
+        $styled_url = str_replace($scheme, '', $styled_url);
+
+        $html = '<a href="%s" class="attachment" rel="nofollow noopener" target="_blank">'.
+                 '<span class="invisible">%s</span>';
+
+        if (strlen($styled_url) > 30) {
+                $html .= '<span class="ellipsis">%s</span>'.
+                        '<span class="invisible">%s</span></a>';
+
+                $ellipsis = substr($styled_url, 0, 30);
+                $rest = substr($styled_url, 30);
+                return sprintf($html, $url, $scheme, $ellipsis, $rest);
+        } else {
+                $html .= '%s</a>';
+                return sprintf($html, $url, $scheme, $styled_url);
+        }
+}
+
 function stripcode_br_cb($s) {
 	return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
 }
@@ -448,20 +495,20 @@ function bb_ShareAttributes($share, $simplehtml) {
 
 	$data = get_contact_details_by_url($profile);
 
-	if (isset($data["name"]) AND ($data["name"] != "") AND isset($data["addr"]) AND ($data["addr"] != ""))
+	if (isset($data["name"]) && ($data["name"] != "") && isset($data["addr"]) && ($data["addr"] != ""))
 	        $userid_compact = $data["name"]." (".$data["addr"].")";
 	else
 		$userid_compact = GetProfileUsername($profile,$author, true);
 
-	if (isset($data["addr"]) AND ($data["addr"] != ""))
+	if (isset($data["addr"]) && ($data["addr"] != ""))
 		$userid = $data["addr"];
 	else
 		$userid = GetProfileUsername($profile,$author, false);
 
-	if (isset($data["name"]) AND ($data["name"] != ""))
+	if (isset($data["name"]) && ($data["name"] != ""))
 		$author = $data["name"];
 
-	if (isset($data["micro"]) AND ($data["micro"] != ""))
+	if (isset($data["micro"]) && ($data["micro"] != ""))
 		$avatar = $data["micro"];
 
 	$preshare = trim($share[1]);
@@ -494,10 +541,9 @@ function bb_ShareAttributes($share, $simplehtml) {
 
 			break;
 		case 4:
-			$headline = '<div class="shared_header">';
-			$headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
+			$headline .= '<br /><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 			$headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
-			$headline .= ":</b></span></div>";
+			$headline .= ":</b><br />";
 
 			$text = trim($share[1]);
 
@@ -655,7 +701,7 @@ function GetProfileUsername($profile, $username, $compact = false, $getnetwork =
 }
 
 function bb_DiasporaLinks($match) {
-	return "[url=".App::get_baseurl()."/display/".$match[1]."]".$match[2]."[/url]";
+	return "[url=".System::baseUrl()."/display/".$match[1]."]".$match[2]."[/url]";
 }
 
 function bb_RemovePictureLinks($match) {
@@ -707,7 +753,7 @@ function bb_RemovePictureLinks($match) {
 }
 
 function bb_expand_links($match) {
-	if (($match[3] == "") OR ($match[2] == $match[3]) OR stristr($match[2], $match[3])) {
+	if (($match[3] == "") || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
 		return ($match[1] . "[url]" . $match[2] . "[/url]");
 	} else {
 		return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
@@ -893,7 +939,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	$MAILSearchString = $URLSearchString;
 
 	// Remove all hashtag addresses
-	if ((!$tryoembed OR $simplehtml) AND !in_array($simplehtml, array(3, 7))) {
+	if ((!$tryoembed || $simplehtml) && !in_array($simplehtml, array(3, 7))) {
 		$Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
 	} elseif ($simplehtml == 3) {
 		$Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
@@ -939,10 +985,22 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	// Handle Diaspora posts
 	$Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
 
+	// Server independent link to posts and comments
+	// See issue: https://github.com/diaspora/diaspora_federation/issues/75
+	$expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
+	$Text = preg_replace($expression, System::baseUrl()."/display/$1", $Text);
+
 	// if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 //	if ($simplehtml != 7) {
 		if (!$forplaintext) {
-			$Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
+			if ($simplehtml != 7) {
+				$Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
+			} else {
+				$Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2[/url]', $Text);
+
+				$Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
+				$Text = preg_replace_callback("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
+			}
 		} else {
 			$Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism", " $1 ", $Text);
 			$Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
@@ -967,7 +1025,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	// we may need to restrict this further if it picks up too many strays
 	// link acct:user@host to a webfinger profile redirector
 
-	$Text = preg_replace('/acct:([^@]+)@((?!\-)(?:[a-zA-Z\d\-]{0,62}[a-zA-Z\d]\.){1,126}(?!\d+)[a-zA-Z\d]{1,63})/', '<a href="' . App::get_baseurl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>', $Text);
+	$Text = preg_replace('/acct:([^@]+)@((?!\-)(?:[a-zA-Z\d\-]{0,62}[a-zA-Z\d]\.){1,126}(?!\d+)[a-zA-Z\d]{1,63})/', '<a href="' . System::baseUrl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>', $Text);
 
 	// Perform MAIL Search
 	$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
@@ -1082,7 +1140,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	// Check for [spoiler] text
 	// handle nested quotes
 	$endlessloop = 0;
-	while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20)) {
+	while ((strpos($Text, "[/spoiler]") !== false) && (strpos($Text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
 		$Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", "$SpoilerLayout", $Text);
 	}
 
@@ -1092,7 +1150,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 
 	// handle nested quotes
 	$endlessloop = 0;
-	while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20)) {
+	while ((strpos($Text, "[/spoiler]")!== false)  && (strpos($Text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
 		$Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 				     "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 				     $Text);
@@ -1104,7 +1162,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	// Check for [quote] text
 	// handle nested quotes
 	$endlessloop = 0;
-	while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20)) {
+	while ((strpos($Text, "[/quote]") !== false) && (strpos($Text, "[quote]") !== false) && (++$endlessloop < 20)) {
 		$Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $Text);
 	}
 
@@ -1114,7 +1172,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 
 	// handle nested quotes
 	$endlessloop = 0;
-	while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20)) {
+	while ((strpos($Text, "[/quote]")!== false)  && (strpos($Text, "[quote=") !== false) && (++$endlessloop < 20)) {
 		$Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 				     "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 				     $Text);
@@ -1140,9 +1198,9 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 			return bb_ShareAttributes($match, $simplehtml);
 		}, $Text);
 
-	$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br/><img src="' .App::get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
-	$Text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .App::get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
-	//$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .App::get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+	$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+	$Text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+	//$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
 
 	// Try to Oembed
 	if ($tryoembed) {
@@ -1225,6 +1283,10 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 		$Text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $Text);
 	}
 
+	// Replace non graphical smilies for external posts
+	if ($simplehtml) {
+		$Text = Smilies::replace($Text, false, true);
+	}
 
 	// Replace inline code blocks
 	$Text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism",
@@ -1264,6 +1326,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 
 	// Always allowed protocol even if config isn't set or not including it
 	$allowed_link_protocols[] = 'http';
+	$allowed_link_protocols[] = 'redir/';
 
 	$regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
 	$Text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 class="invalid-href" title="' . t('Invalid link protocol') . '">', $Text);
@@ -1275,7 +1338,7 @@ function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = fa
 	// Clean up the HTML by loading and saving the HTML with the DOM.
 	// Bad structured html can break a whole page.
 	// For performance reasons do it only with ativated item cache or at export.
-	if (!$tryoembed OR (get_itemcachepath() != "")) {
+	if (!$tryoembed || (get_itemcachepath() != "")) {
 		$doc = new DOMDocument();
 		$doc->preserveWhiteSpace = false;