URLs do not allow space as a character present in a valid URL.
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2240109. -->
Reported by: [rjt1224](https://www.drupal.org/user/2503500)
>>>
<p>URLs for Internal/External links do not allow the space character.<br>
If the value of the URL contains a space, validation fails and does not allow to add the URL.<br>
If '%20' is used for space, the link is then converted to '%2520' which translates the Encoding twice.</p>
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br></span><span style="color: #007700">function </span><span style="color: #0000BB">_block_titlelink_validate_url</span><span style="color: #007700">(</span><span style="color: #0000BB">$url</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">$text </span><span style="color: #007700">= </span><span style="color: #0000BB">$url</span><span style="color: #007700">;<br> </span><span style="color: #FF8000">// These constants were heisted from the field_module.<br> // Check if they exist<br> </span><span style="color: #007700">if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_EXTERNAL'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_EXTERNAL'</span><span style="color: #007700">, </span><span style="color: #DD0000">'external'</span><span style="color: #007700">);<br> }<br> if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_INTERNAL'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_INTERNAL'</span><span style="color: #007700">, </span><span style="color: #DD0000">'internal'</span><span style="color: #007700">);<br> }<br> if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_FRONT'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_FRONT'</span><span style="color: #007700">, </span><span style="color: #DD0000">'front'</span><span style="color: #007700">);<br> }<br> if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_EMAIL'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_EMAIL'</span><span style="color: #007700">, </span><span style="color: #DD0000">'email'</span><span style="color: #007700">);<br> }<br> if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_NEWS'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_NEWS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'news'</span><span style="color: #007700">);<br> }<br> if(!</span><span style="color: #0000BB">defined</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_DOMAINS'</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">define</span><span style="color: #007700">(</span><span style="color: #DD0000">'LINK_DOMAINS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'aero|arpa|asia|biz|com|cat|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|mobi|local'</span><span style="color: #007700">);<br> }<br><br> </span><span style="color: #0000BB">$LINK_ICHARS_DOMAIN </span><span style="color: #007700">= (string) </span><span style="color: #0000BB">html_entity_decode</span><span style="color: #007700">(</span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">""</span><span style="color: #007700">, array(<br> </span><span style="color: #DD0000">"&#x00E6;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// æ<br> </span><span style="color: #DD0000">"&#x00C6;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Æ<br> </span><span style="color: #DD0000">"&#x00F8;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ø<br> </span><span style="color: #DD0000">"&#x00D8;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Ø<br> </span><span style="color: #DD0000">"&#x00E5;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// å<br> </span><span style="color: #DD0000">"&#x00C5;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Å<br> </span><span style="color: #DD0000">"&#x00E4;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ä<br> </span><span style="color: #DD0000">"&#x00C4;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Ä<br> </span><span style="color: #DD0000">"&#x00F6;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ö<br> </span><span style="color: #DD0000">"&#x00D6;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Ö<br> </span><span style="color: #DD0000">"&#x00FC;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ü<br> </span><span style="color: #DD0000">"&#x00DC;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Ü<br> </span><span style="color: #DD0000">"&#x00D1;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// Ñ<br> </span><span style="color: #DD0000">"&#x00F1;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ñ<br> </span><span style="color: #007700">)), </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">, </span><span style="color: #DD0000">'UTF-8'</span><span style="color: #007700">);<br><br> </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">= </span><span style="color: #0000BB">$LINK_ICHARS_DOMAIN </span><span style="color: #007700">. (string) </span><span style="color: #0000BB">html_entity_decode</span><span style="color: #007700">(</span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">""</span><span style="color: #007700">, array(<br> </span><span style="color: #DD0000">"&#x00DF;"</span><span style="color: #007700">, </span><span style="color: #FF8000">// ß<br> </span><span style="color: #007700">)), </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">, </span><span style="color: #DD0000">'UTF-8'</span><span style="color: #007700">);<br> </span><span style="color: #0000BB">$allowed_protocols </span><span style="color: #007700">= </span><span style="color: #0000BB">variable_get</span><span style="color: #007700">(</span><span style="color: #DD0000">'filter_allowed_protocols'</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'http'</span><span style="color: #007700">, </span><span style="color: #DD0000">'https'</span><span style="color: #007700">, </span><span style="color: #DD0000">'ftp'</span><span style="color: #007700">, </span><span style="color: #DD0000">'news'</span><span style="color: #007700">, </span><span style="color: #DD0000">'nntp'</span><span style="color: #007700">, </span><span style="color: #DD0000">'telnet'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mailto'</span><span style="color: #007700">, </span><span style="color: #DD0000">'irc'</span><span style="color: #007700">, </span><span style="color: #DD0000">'ssh'</span><span style="color: #007700">, </span><span style="color: #DD0000">'sftp'</span><span style="color: #007700">, </span><span style="color: #DD0000">'webcal'</span><span style="color: #007700">));<br><br> </span><span style="color: #0000BB">$protocol </span><span style="color: #007700">= </span><span style="color: #DD0000">'(('</span><span style="color: #007700">. </span><span style="color: #0000BB">implode</span><span style="color: #007700">(</span><span style="color: #DD0000">"|"</span><span style="color: #007700">, </span><span style="color: #0000BB">$allowed_protocols</span><span style="color: #007700">) .</span><span style="color: #DD0000">'):\/\/)'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$authentication </span><span style="color: #007700">= </span><span style="color: #DD0000">'(([a-z0-9%' </span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">. </span><span style="color: #DD0000">']+(:[a-z0-9%'</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">. </span><span style="color: #DD0000">'!]*)?)?@)'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$domain </span><span style="color: #007700">= </span><span style="color: #DD0000">'(([a-z0-9' </span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS_DOMAIN </span><span style="color: #007700">. </span><span style="color: #DD0000">']([a-z0-9'</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS_DOMAIN </span><span style="color: #007700">. </span><span style="color: #DD0000">'\-_\[\]])*)(\.(([a-z0-9' </span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS_DOMAIN </span><span style="color: #007700">. </span><span style="color: #DD0000">'\-_\[\]])+\.)*('</span><span style="color: #007700">. </span><span style="color: #0000BB">LINK_DOMAINS </span><span style="color: #007700">.</span><span style="color: #DD0000">'|[a-z]{2}))?)'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$ipv4 </span><span style="color: #007700">= </span><span style="color: #DD0000">'([0-9]{1,3}(\.[0-9]{1,3}){3})'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$ipv6 </span><span style="color: #007700">= </span><span style="color: #DD0000">'([0-9a-fA-F]{1,4}(\:[0-9a-fA-F]{1,4}){7})'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$port </span><span style="color: #007700">= </span><span style="color: #DD0000">'(:([0-9]{1,5}))'</span><span style="color: #007700">;<br><br> </span><span style="color: #FF8000">// Pattern specific to external links.<br> </span><span style="color: #0000BB">$external_pattern </span><span style="color: #007700">= </span><span style="color: #DD0000">'/^'</span><span style="color: #007700">. </span><span style="color: #0000BB">$protocol </span><span style="color: #007700">.</span><span style="color: #DD0000">'?'</span><span style="color: #007700">. </span><span style="color: #0000BB">$authentication </span><span style="color: #007700">.</span><span style="color: #DD0000">'?('</span><span style="color: #007700">. </span><span style="color: #0000BB">$domain </span><span style="color: #007700">.</span><span style="color: #DD0000">'|'</span><span style="color: #007700">. </span><span style="color: #0000BB">$ipv4 </span><span style="color: #007700">.</span><span style="color: #DD0000">'|'</span><span style="color: #007700">. </span><span style="color: #0000BB">$ipv6 </span><span style="color: #007700">.</span><span style="color: #DD0000">' |localhost)'</span><span style="color: #007700">. </span><span style="color: #0000BB">$port </span><span style="color: #007700">.</span><span style="color: #DD0000">'?'</span><span style="color: #007700">;<br><br> </span><span style="color: #FF8000">// Pattern specific to internal links.<br> </span><span style="color: #0000BB">$internal_pattern </span><span style="color: #007700">= </span><span style="color: #DD0000">"/^([a-z0-9"</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">"_\-+\[\]]+)"</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$internal_pattern_file </span><span style="color: #007700">= </span><span style="color: #DD0000">"/^([a-z0-9"</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">"_\-+\[\]\.]+)$/i"</span><span style="color: #007700">;<br><br> </span><span style="color: #0000BB">$directories </span><span style="color: #007700">= </span><span style="color: #DD0000">"(\/[a-z0-9"</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">"_\-\.~+%=& ,$'!():;*@\[\]]*)*"</span><span style="color: #007700">;<br> </span><span style="color: #FF8000">// Yes, four backslashes == a single backslash.<br> </span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"(\/?\?([?a-z0-9"</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">"+_|\-\.\/\\\\%=&,$'():;*@\[\]{} ]*))"</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$anchor </span><span style="color: #007700">= </span><span style="color: #DD0000">"(#[a-z0-9"</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">"_\-\.~+%=& ,$'():;*@\[\]\/\?]*)"</span><span style="color: #007700">;<br><br> </span><span style="color: #FF8000">// The rest of the path for a standard URL.<br> </span><span style="color: #0000BB">$end </span><span style="color: #007700">= </span><span style="color: #0000BB">$directories </span><span style="color: #007700">.</span><span style="color: #DD0000">'?'</span><span style="color: #007700">. </span><span style="color: #0000BB">$query </span><span style="color: #007700">.</span><span style="color: #DD0000">'?'</span><span style="color: #007700">. </span><span style="color: #0000BB">$anchor </span><span style="color: #007700">.</span><span style="color: #DD0000">'?'</span><span style="color: #007700">.</span><span style="color: #DD0000">'$/i'</span><span style="color: #007700">;<br><br> </span><span style="color: #0000BB">$message_id </span><span style="color: #007700">= </span><span style="color: #DD0000">'[^@].*@'</span><span style="color: #007700">. </span><span style="color: #0000BB">$domain</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$newsgroup_name </span><span style="color: #007700">= </span><span style="color: #DD0000">'([0-9a-z+-]*\.)*[0-9a-z+-]*'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$news_pattern </span><span style="color: #007700">= </span><span style="color: #DD0000">'/^news:('</span><span style="color: #007700">. </span><span style="color: #0000BB">$newsgroup_name </span><span style="color: #007700">.</span><span style="color: #DD0000">'|'</span><span style="color: #007700">. </span><span style="color: #0000BB">$message_id </span><span style="color: #007700">.</span><span style="color: #DD0000">')$/i'</span><span style="color: #007700">;<br><br> </span><span style="color: #0000BB">$user </span><span style="color: #007700">= </span><span style="color: #DD0000">'[a-zA-Z0-9'</span><span style="color: #007700">. </span><span style="color: #0000BB">$LINK_ICHARS </span><span style="color: #007700">.</span><span style="color: #DD0000">'_\-\.\+\^!#\$%&*+\/\=\?\`\|\{\}~\'\[\]]+'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$email_pattern </span><span style="color: #007700">= </span><span style="color: #DD0000">'/^mailto:'</span><span style="color: #007700">. </span><span style="color: #0000BB">$user </span><span style="color: #007700">.</span><span style="color: #DD0000">'@'</span><span style="color: #007700">.</span><span style="color: #DD0000">'('</span><span style="color: #007700">. </span><span style="color: #0000BB">$domain </span><span style="color: #007700">.</span><span style="color: #DD0000">'|'</span><span style="color: #007700">. </span><span style="color: #0000BB">$ipv4 </span><span style="color: #007700">.</span><span style="color: #DD0000">'|'</span><span style="color: #007700">. </span><span style="color: #0000BB">$ipv6 </span><span style="color: #007700">.</span><span style="color: #DD0000">'|localhost)'</span><span style="color: #007700">. </span><span style="color: #0000BB">$query </span><span style="color: #007700">.</span><span style="color: #DD0000">'?$/'</span><span style="color: #007700">;<br><br> if (</span><span style="color: #0000BB">strpos</span><span style="color: #007700">(</span><span style="color: #0000BB">$text</span><span style="color: #007700">, </span><span style="color: #DD0000">'<front>'</span><span style="color: #007700">) === </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br> return </span><span style="color: #0000BB">LINK_FRONT</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">in_array</span><span style="color: #007700">(</span><span style="color: #DD0000">'mailto'</span><span style="color: #007700">, </span><span style="color: #0000BB">$allowed_protocols</span><span style="color: #007700">) && </span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #0000BB">$email_pattern</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> return </span><span style="color: #0000BB">LINK_EMAIL</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">in_array</span><span style="color: #007700">(</span><span style="color: #DD0000">'news'</span><span style="color: #007700">, </span><span style="color: #0000BB">$allowed_protocols</span><span style="color: #007700">) && </span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #0000BB">$news_pattern</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> return </span><span style="color: #0000BB">LINK_NEWS</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #0000BB">$internal_pattern </span><span style="color: #007700">. </span><span style="color: #0000BB">$end</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> return </span><span style="color: #0000BB">LINK_INTERNAL</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #0000BB">$external_pattern </span><span style="color: #007700">. </span><span style="color: #0000BB">$end</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> return </span><span style="color: #0000BB">LINK_EXTERNAL</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">preg_match</span><span style="color: #007700">(</span><span style="color: #0000BB">$internal_pattern_file</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> return </span><span style="color: #0000BB">LINK_INTERNAL</span><span style="color: #007700">;<br> }<br><br> return </span><span style="color: #0000BB">FALSE</span><span style="color: #007700">;<br>}<br></span><span style="color: #0000BB">?></span></span></pre><p>
Line 264: Added Space between "& ,$"<br>
$directories = "(\/[a-z0-9". $LINK_ICHARS ."_\-\.~+%=& ,$'!():;*@\[\]]*)*";<br>
Line 267: Added Space between "& ,$"<br>
$anchor = "(#[a-z0-9". $LINK_ICHARS ."_\-\.~+%=& ,$'():;*@\[\]\/\?]*)";</p>
issue
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Project: project/block_titlelink
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