X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FContent%2FText%2FBBCode.php;h=6feafdf854a51f1b4d42eb75b7d65d6a0fbdb331;hb=946fc82c77e16a980181ba5cc9df05ce06c98ae2;hp=7568cd716e53d0b8dbcd684afd5be6ed767035db;hpb=f6fc854f8e4eb6befbfd51091fbbca605fefa7d2;p=friendica.git

diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php
index 7568cd716e..6feafdf854 100644
--- a/src/Content/Text/BBCode.php
+++ b/src/Content/Text/BBCode.php
@@ -12,7 +12,7 @@ use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Object\Image;
 use Friendica\Util\ParseUrl;
-use Friendica\Content\OEmbed;
+use Friendica\Util\Network;
 
 require_once "include/bbcode.php";
 require_once "include/html2plain.php";
@@ -511,8 +511,8 @@ class BBCode
 				} else {
 					$scaled = $mtch[1];
 				}
-				$i = OEmbed::fetchURL($scaled);
-				if (! $i) {
+				$i = Network::fetchUrl($scaled);
+				if (!$i) {
 					return $srctext;
 				}
 
@@ -549,4 +549,91 @@ class BBCode
 		$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
 		return $s;
 	}
+
+	/**
+	 * The purpose of this function is to apply system message length limits to
+	 * imported messages without including any embedded photos in the length
+	 *
+	 * @brief Truncates imported message body string length to max_import_size
+	 * @param string $body
+	 * @return string
+	 */
+	public static function limitBodySize($body)
+	{
+		$maxlen = get_max_import_size();
+
+		// If the length of the body, including the embedded images, is smaller
+		// than the maximum, then don't waste time looking for the images
+		if ($maxlen && (strlen($body) > $maxlen)) {
+
+			logger('the total body length exceeds the limit', LOGGER_DEBUG);
+
+			$orig_body = $body;
+			$new_body = '';
+			$textlen = 0;
+
+			$img_start = strpos($orig_body, '[img');
+			$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+			$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
+			while (($img_st_close !== false) && ($img_end !== false)) {
+
+				$img_st_close++; // make it point to AFTER the closing bracket
+				$img_end += $img_start;
+				$img_end += strlen('[/img]');
+
+				if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
+					// This is an embedded image
+
+					if (($textlen + $img_start) > $maxlen) {
+						if ($textlen < $maxlen) {
+							logger('the limit happens before an embedded image', LOGGER_DEBUG);
+							$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
+							$textlen = $maxlen;
+						}
+					} else {
+						$new_body = $new_body . substr($orig_body, 0, $img_start);
+						$textlen += $img_start;
+					}
+
+					$new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
+				} else {
+
+					if (($textlen + $img_end) > $maxlen) {
+						if ($textlen < $maxlen) {
+							logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
+							$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
+							$textlen = $maxlen;
+						}
+					} else {
+						$new_body = $new_body . substr($orig_body, 0, $img_end);
+						$textlen += $img_end;
+					}
+				}
+				$orig_body = substr($orig_body, $img_end);
+
+				if ($orig_body === false) {
+					// in case the body ends on a closing image tag
+					$orig_body = '';
+				}
+
+				$img_start = strpos($orig_body, '[img');
+				$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
+				$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
+			}
+
+			if (($textlen + strlen($orig_body)) > $maxlen) {
+				if ($textlen < $maxlen) {
+					logger('the limit happens after the end of the last image', LOGGER_DEBUG);
+					$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
+				}
+			} else {
+				logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
+				$new_body = $new_body . $orig_body;
+			}
+
+			return $new_body;
+		} else {
+			return $body;
+		}
+	}
 }