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Improve PDF preview when embedded in pages - fixes #202
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3 changed files with 48 additions and 13 deletions
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@ -26,6 +26,7 @@ Make sure you have PHP 7.3+ when you update past this point! It isn't the end of
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- `comment_enabled` controls whether _anyone_ is allowed to comment at all or not
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- `comment_hide_all` determines whether the commenting system displays anything at all (if disabled, it's (almost) like the `feature-comments` doesn't exist - consider using the downloader to exclude the commenting system instead of enabling this setting)
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- `avatars_gravatar_enabled` determines whether redirects to [gravatar.com](https://gravatar.com/) should be performed if a user hasn't yet uploaded an avatar (if disabled then a blank image is returned instead of a redirect).
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- PDF previews now show the browser's UI when embedded in pages with the `` syntax
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### Changed
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- **New policy:** Only [officially supported](https://www.php.net/supported-versions.php) versions of PHP are officially supported by Pepperminty Wiki.
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@ -53,6 +54,7 @@ Make sure you have PHP 7.3+ when you update past this point! It isn't the end of
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- Fixed an obscure bug in the search engine when excluding terms that appear both in a page's title and body
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- Squashed a warning at the top of search results (more insight is needed though to squash the inconsistencies in the search index that creep in though)
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- Removed annoying scrollbars when editing long pages
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- Fixed an obscure warning when previewing PDFs
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## v0.21.1-hotfix1
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@ -387,8 +387,7 @@ register_module([
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break;
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case "application":
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if($mime_type == "application/pdf")
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{
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if($mime_type == "application/pdf") {
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$preview = new imagick();
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$preview->readImage("{$filepath}[0]");
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$preview->setResolution(300,300);
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@ -647,8 +647,12 @@ class PeppermintParsedown extends ParsedownExtra
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$previewSize = 300;
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$previewUrl = "?action=preview&size=$previewSize&page=" . rawurlencode($pagename);
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$previewType = substr($mime_type, 0, strpos($mime_type, "/"));
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if($mime_type == "application/pdf")
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$previewType = "pdf";
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$previewHtml = "";
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switch(substr($mime_type, 0, strpos($mime_type, "/")))
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switch($previewType)
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{
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case "video":
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$previewHtml .= "<video src='$previewUrl' controls preload='metadata'>$pagename</video>\n";
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@ -656,6 +660,9 @@ class PeppermintParsedown extends ParsedownExtra
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case "audio":
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$previewHtml .= "<audio src='$previewUrl' controls preload='metadata'>$pagename</audio>\n";
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break;
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case "pdf":
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$previewHtml .= "<object type='application/pdf' data='$previewUrl' style='width: {$previewStyle}px;'></object>";
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break;
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case "application":
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case "image":
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default:
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@ -1124,7 +1131,11 @@ class PeppermintParsedown extends ParsedownExtra
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{
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// We have a short url! Expand it.
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$shortImageUrl = $imageUrl;
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$imageUrl = "index.php?action=preview&size=" . max($imageSize["x"], $imageSize["y"]) ."&page=" . rawurlencode($imageUrl);
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$imageUrl = "index.php?action=preview";
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if($imageSize !== false) $imageUrl .= "&size=" . max($imageSize["x"], $imageSize["y"]);
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else $imageUrl .= "&size=original";
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// This has to be last in order for the extension auto-detection to work correctly
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$imageUrl .= "&page=" . rawurlencode($shortImageUrl);
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}
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$style = "";
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@ -1135,9 +1146,30 @@ class PeppermintParsedown extends ParsedownExtra
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$urlExtension = pathinfo($imageUrl, PATHINFO_EXTENSION);
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$urlType = system_extension_mime_type($urlExtension);
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$embed_type = substr($urlType, 0, strpos($urlType, "/"));
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if($urlType == "application/pdf") $embed_type = "pdf";
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$result = [];
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switch(substr($urlType, 0, strpos($urlType, "/")))
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switch($embed_type)
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{
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case "pdf":
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$imageUrl = preg_replace("/&size=[0-9]+/", "&size=original", $imageUrl);
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if($imageSize === false) $style .= "width: 100%;";
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else $style = str_replace("max-width", "width", $style);
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$result = [
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"extent" => strlen($matches[0]),
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"element" => [
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"name" => "object",
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"text" => "",
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"attributes" => [
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"type" => "application/pdf",
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"data" => $imageUrl,
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"style" => trim($style)
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]
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]
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];
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break;
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case "audio":
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$result = [
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"extent" => strlen($matches[0]),
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@ -1189,14 +1221,16 @@ class PeppermintParsedown extends ParsedownExtra
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// ~ Image linker ~
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$imageHref = $shortImageUrl !== false ? "?page=" . rawurlencode($shortImageUrl) : $imageUrl;
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$result["element"] = [
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"name" => "a",
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"attributes" => [
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"href" => $imageHref
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],
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"text" => [$result["element"]],
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"handler" => "elements"
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];
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if($embed_type !== "pdf") {
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$result["element"] = [
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"name" => "a",
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"attributes" => [
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"href" => $imageHref
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],
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"text" => [$result["element"]],
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"handler" => "elements"
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];
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}
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// ~
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