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Implemented Email templates relative paths
- Sakis Terz
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- Ruud van Lent
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- Offline
- Ruud van Lent
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2 months 1 week ago - 2 months 1 week ago #3123
by Ruud van Lent
Replied by Ruud van Lent on topic Email templates relative paths
Hi Sakis,
so did a deeper dive into this to see if I can improve
In the email send ochSubscriptions adds the following line:
<base href="[your domain]" />
What this does / should do, is instruct the email client to make a relative url (e.g. test-url) absolute (so: [your domain]/test-url)
This way you can use both absolute and relative urls in your email templates as these will then be handled by the email client.
but... what if the email client doesn't use / respect the 'base href' setting? Then the absolute urls will work, but the relative urls will not (as these point to nowhere).
tinyMCE can be configured to store urls as relative or absolute: this has impact on everything the editor is used for, so when changing it to store absolute urls (which we want in emails) then also in articles all urls will be absolute (which we don't want)...
So in the version above I have a version of ochSubscriptions that will convert all elements (a, img, link, script, form, input, video, audio, source) in the email template to absolute URLs when rendering and sending the email (so not in the template itself).
This way you can either use absolute or relative urls: absolute will stay unchanged 9as these can also point to another website) and relative urls will be made absolute pointing to your site.
Can you give this a test to see if it works as intended and solves this url nightmare
so did a deeper dive into this to see if I can improve
In the email send ochSubscriptions adds the following line:
<base href="[your domain]" />
What this does / should do, is instruct the email client to make a relative url (e.g. test-url) absolute (so: [your domain]/test-url)
This way you can use both absolute and relative urls in your email templates as these will then be handled by the email client.
but... what if the email client doesn't use / respect the 'base href' setting? Then the absolute urls will work, but the relative urls will not (as these point to nowhere).
tinyMCE can be configured to store urls as relative or absolute: this has impact on everything the editor is used for, so when changing it to store absolute urls (which we want in emails) then also in articles all urls will be absolute (which we don't want)...
So in the version above I have a version of ochSubscriptions that will convert all elements (a, img, link, script, form, input, video, audio, source) in the email template to absolute URLs when rendering and sending the email (so not in the template itself).
This way you can either use absolute or relative urls: absolute will stay unchanged 9as these can also point to another website) and relative urls will be made absolute pointing to your site.
Can you give this a test to see if it works as intended and solves this url nightmare
Last edit: 2 months 1 week ago by Ruud van Lent. Reason: new download versions!
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- Sakis Terz
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- Ruud van Lent
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5 days 21 hours ago - 5 days 21 hours ago #3172
by Ruud van Lent
Replied by Ruud van Lent on topic Email templates relative paths
Hi Sakis,
I think there is some confusion. With [you domain] I mean you actual website domain.
So on my server that would be:
I think there is some confusion. With [you domain] I mean you actual website domain.
So on my server that would be:
- https
/onlinecommunityhub .nl/testlink - or /testlink
Last edit: 5 days 21 hours ago by Ruud van Lent.
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- Sakis Terz
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Topic Author
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- Sakis Terz
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Topic Author
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- Ruud van Lent
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- Sakis Terz
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Topic Author
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- Ruud van Lent
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5 days 21 hours ago #3177
by Ruud van Lent
Replied by Ruud van Lent on topic Email templates relative paths
No it is not.
in your current install, locate file ContentConstructor.php and replace the function "prepareEmailBody" with the one below:
BACKUP and TEST
in your current install, locate file ContentConstructor.php and replace the function "prepareEmailBody" with the one below:
BACKUP and TEST
Code:
/**
* Function to prepare the Email body; add necessary HTML elements and framework
*
* @param string $body The body of the email
* @param string $subject The subject of the email
* @param string $style The style (css) of the email
*
* @return string
*/
private function prepareEmailBody($body, $subject, $style)
{
$charset = Factory::getApplication()->getDocument()->getCharset();
$preparedBody = '<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">' . "\n";
$preparedBody .= '<head>' . "\n";
$preparedBody .= '<!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]-->' . "\n";
$preparedBody .= '<meta http-equiv="Content-Type" content="text/html; charset=' . strtolower($charset) . '" />' . "\n";
$preparedBody .= '<meta name="viewport" content="width=device-width, initial-scale=1.0" />' . "\n";
$preparedBody .= '<base href="' . Uri::root(false) . '" />' . "\n";
$preparedBody .= '<title>' . $subject . '</title>' . "\n";
$preparedBody .= $style;
$preparedBody .= '</head>' . "\n";
$preparedBody .= '<body yahoo="fix">' . $body . '</body>' . "\n";
$preparedBody .= '</html>';
// Load HTML content into DOMDocument
$dom = new \DOMDocument();
libxml_use_internal_errors(true); // Suppress warnings due to malformed HTML
$dom->loadHTML($preparedBody);
libxml_clear_errors();
$baseUrl = Uri::root(false);
// Define elements and attributes to be checked for relative URLs
$elementsToCheck = [
'a' => 'href',
'img' => 'src',
'link' => 'href',
'script' => 'src',
'form' => 'action',
'input' => 'src',
'video' => 'src',
'audio' => 'src',
'source' => ['src', 'srcset']
];
// Loop through each element and attribute in the list
foreach ($elementsToCheck as $tag => $attributes) {
$attributes = (array) $attributes; // Ensure it's an array for easy iteration
foreach ($dom->getElementsByTagName($tag) as $element) {
foreach ($attributes as $attribute) {
$url = $element->getAttribute($attribute);
// Check if the attribute value is a relative URL
if ($url) {
if (\strpos($url, $baseUrl) === 0) {
// Remove the base URL portion to make it relative
$url = \substr($url, \strlen($baseUrl));
$element->setAttribute($attribute, $url);
}
if (\parse_url($url, PHP_URL_SCHEME) === null) {
// Prepend base URL if it's a relative path
$element->setAttribute($attribute, \rtrim($baseUrl, '/') . '/' . \ltrim($url, '/'));
}
}
}
}
}
// // Handle inline styles (for background images)
// foreach ($dom->getElementsByTagName('*') as $element) {
// $style = $element->getAttribute('style');
// if (preg_match('/url\([\'"]?\/([^\'")]+)[\'"]?\)/i', $style, $matches)) {
// // Replace relative URL with absolute URL in the style attribute
// $absoluteUrl = rtrim($baseUrl, '/') . '/' . ltrim($matches[1], '/');
// $newStyle = str_replace($matches[0], "url('$absoluteUrl')", $style);
// $element->setAttribute('style', $newStyle);
// }
// }
// Save updated HTML content
$preparedBody = $dom->saveHTML();
return $preparedBody;
}
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