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Display uploaded images & make max upload size readable

This commit is contained in:
Starbeamrainbowlabs 2015-10-24 14:28:56 +01:00
parent 4d37db9f3c
commit 1d91b3ed81
4 changed files with 117 additions and 31 deletions

View file

@ -186,11 +186,13 @@ $settings->upload_allowed_file_types = [
"image/webp"
];
// The default file type for previews. Defaults to image/webp. Webp is a new
// image format that can cut image sizez down by ~20%, but may still have some
// issues in certain browsers. Change this to image/png or image/jpeg if you
// experience issues.
$settings->preview_file_type = "image/webp";
// The default file type for previews. Defaults to image/png. Also supports
// image/jpeg and image/webp. image/webp is a new image format that reduces
// image sizez by ~20%, but PHP still has some issues with invalid webp images.
$settings->preview_file_type = "image/png";
// The default size of preview images.
$settings->default_preview_size = 640;
// The location of a file that maps mime types onto file extensions and vice
// versa. Used to generate the file extension for an uploaded file. Set to the
@ -238,6 +240,11 @@ input[type=button], input[type=submit] { cursor: pointer; }
.sidebar ul:before { content: \"\"; position: absolute; top: 0; left: 0; height: 100%; border-left: 2px dashed rgba(50, 50, 50, 0.4); }
.sidebar li:before { content: \"\"; position: absolute; width: 1rem; top: 0.8rem; left: -1.2rem; border-bottom: 2px dashed rgba(50, 50, 50, 0.4); }
.preview { text-align: center; }
.preview img { max-width: 100%; }
.image-controls ul { list-style-type: none; margin: 5px; padding: 5px; }
.image-controls li { display: inline-block; margin: 5px; padding: 5px; }
.printable { padding: 2rem; }
@ -1254,7 +1261,7 @@ register_module([
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You are not currently logged in, so you can't upload anything.</p>
<p>Try <a href='?action=login&returnto=" . rawurlencode("?action=upload") . "'>logging in</a> first.</p>"));
exit(page_renderer::render("Upload - $settings->sitename", "<p>Select an image below, and then type a name for it in the box. This server currently supports uploads up to " . get_max_upload_size() . " in size.</p>
exit(page_renderer::render("Upload - $settings->sitename", "<p>Select an image below, and then type a name for it in the box. This server currently supports uploads up to " . human_filesize(get_max_upload_size()) . " in size.</p>
<p>$settings->sitename currently supports uploading of the following file types: " . implode(", ", $settings->upload_allowed_file_types) . ".</p>
<form method='post' action='?action=upload' enctype='multipart/form-data'>
<label for='file'>Select a file to upload.</label>
@ -1307,14 +1314,19 @@ register_module([
$imagesize = getimagesize($temp_filename, $extra_data);
// Make sure that the image size is defined
if(!is_int($imagesize[0]) or !is_int($imagesize[1]))
{
http_response_code(415);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>The file that you uploaded doesn't appear to be an image. $settings->sitename currently only supports uploading images (videos coming soon). <a href='?action=upload'>Go back to try again</a>.</p>"));
}
break;
case "video":
http_response_code(501);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You uploaded a video, but $settings->sitename doesn't support them yet. Please try again later.</p>"));
default:
http_response_code(415);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You uploaded an unnknown file type which couldn't be processed. $settings->sitename thinks that the file you uploaded was a(n) '$mime_type', which isn't supported.</p>"));
}
@ -1330,7 +1342,10 @@ register_module([
mkdir("Files", 0664);
if(!move_uploaded_file($temp_filename, $new_filename))
{
http_response_code(409);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>The file you uploaded was valid, but $settings->sitename couldn't verify that it was tampered with during the upload process. This probably means that $settings->sitename has been attacked. Please contact " . $settings->admindetails . ", your $settings->sitename Administrator.</p>"));
}
file_put_contents($new_description_filename, $_POST["description"]);
@ -1404,6 +1419,7 @@ register_module([
$image = imagecreatefromwebp($filepath);
break;
default:
http_response_code(415);
$image = errorimage("Unsupported image type.");
break;
}
@ -1411,22 +1427,22 @@ register_module([
$raw_width = imagesx($image);
$raw_height = imagesy($image);
$image = resize_image($image, $target_size);
$preview_image = resize_image($image, $target_size);
header("content-type: $output_mime");
switch($output_mime)
{
case "image/jpeg":
imagejpeg($image);
imagejpeg($preview_image);
break;
case "image/png":
imagepng($image);
imagepng($preview_image);
break;
default:
case "image/webp":
imagewebp($image);
imagewebp($preview_image);
break;
}
imagedestroy($preview_image);
break;
default:
@ -1436,8 +1452,33 @@ register_module([
});
page_renderer::register_part_preprocessor(function(&$parts) {
// Todo add the preview to the top of the page here, but onyl if the current action is view and we are on a page prefixed with file:
global $pageindex, $env, $settings;
// Todo add the preview to the top of the page here, but only if the current action is view and we are on a page that is a file
if(isset($pageindex->{$env->page}->uploadedfile) and $pageindex->{$env->page}->uploadedfile == true)
{
// We are looking at a page that is paired with an uploaded file
$filepath = $pageindex->{$env->page}->uploadedfilepath;
$mime_type = $pageindex->{$env->page}->uploadedfilemime;
$preview_sizes = [ 256, 512, 768, 1024, 1536 ];
$preview_html = "<figure class='preview'>
<img src='?action=preview&size=$settings->default_preview_size&page=" . rawurlencode($env->page) . "' />
<nav class='image-controls'>
<ul><li><a href='$filepath'>&#x01f304; Original image</a></li>
<li>Other Sizes: ";
foreach($preview_sizes as $size)
$preview_html .= "<a href='?action=preview&size='$size>$size" . "px</a> ";
$preview_html .= "</li></ul></nav>
</figure>
<h2>File Information</h2>
<table><tr><th>Name</th><td>" . str_replace("File/", "", $filepath) . "</td>
<tr><th>Type</th><td>$mime_type</td></tr>
<tr><th>Size</th><td>" . human_filesize(filesize($filepath)) . "</td></tr>
<tr><th>Uploaded by</th><td>" . $pageindex->{$env->page}->lasteditor . "</td></tr></table>
<h2>Description</h2>";
$parts["{content}"] = str_replace("</h1>", "</h1>\n$preview_html", $parts["{content}"]);
}
});
}
]);
@ -1503,8 +1544,10 @@ function resize_image($image, $size)
$height_ratio = $size / $cur_height;
$ratio = min($width_ratio, $height_ratio);
$new_height = $cur_height * $ratio;
$new_width = $cur_width * $ratio;
$new_height = floor($cur_height * $ratio);
$new_width = floor($cur_width * $ratio);
header("x-resize-to: $new_width x $new_height\n");
return imagescale($image, $new_width, $new_height);
}

View file

@ -50,7 +50,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds the ability to upload files to Pepperminty Wiki. Uploaded files act as pages and have the special 'File:' prefix.",
"id": "feature-upload",
"lastupdate": 1445677720,
"lastupdate": 1445693273,
"optional": false
},
{

View file

@ -21,7 +21,7 @@ register_module([
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You are not currently logged in, so you can't upload anything.</p>
<p>Try <a href='?action=login&returnto=" . rawurlencode("?action=upload") . "'>logging in</a> first.</p>"));
exit(page_renderer::render("Upload - $settings->sitename", "<p>Select an image below, and then type a name for it in the box. This server currently supports uploads up to " . get_max_upload_size() . " in size.</p>
exit(page_renderer::render("Upload - $settings->sitename", "<p>Select an image below, and then type a name for it in the box. This server currently supports uploads up to " . human_filesize(get_max_upload_size()) . " in size.</p>
<p>$settings->sitename currently supports uploading of the following file types: " . implode(", ", $settings->upload_allowed_file_types) . ".</p>
<form method='post' action='?action=upload' enctype='multipart/form-data'>
<label for='file'>Select a file to upload.</label>
@ -74,14 +74,19 @@ register_module([
$imagesize = getimagesize($temp_filename, $extra_data);
// Make sure that the image size is defined
if(!is_int($imagesize[0]) or !is_int($imagesize[1]))
{
http_response_code(415);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>The file that you uploaded doesn't appear to be an image. $settings->sitename currently only supports uploading images (videos coming soon). <a href='?action=upload'>Go back to try again</a>.</p>"));
}
break;
case "video":
http_response_code(501);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You uploaded a video, but $settings->sitename doesn't support them yet. Please try again later.</p>"));
default:
http_response_code(415);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>You uploaded an unnknown file type which couldn't be processed. $settings->sitename thinks that the file you uploaded was a(n) '$mime_type', which isn't supported.</p>"));
}
@ -97,7 +102,10 @@ register_module([
mkdir("Files", 0664);
if(!move_uploaded_file($temp_filename, $new_filename))
{
http_response_code(409);
exit(page_renderer::render("Upload Error - $settings->sitename", "<p>The file you uploaded was valid, but $settings->sitename couldn't verify that it was tampered with during the upload process. This probably means that $settings->sitename has been attacked. Please contact " . $settings->admindetails . ", your $settings->sitename Administrator.</p>"));
}
file_put_contents($new_description_filename, $_POST["description"]);
@ -171,6 +179,7 @@ register_module([
$image = imagecreatefromwebp($filepath);
break;
default:
http_response_code(415);
$image = errorimage("Unsupported image type.");
break;
}
@ -178,22 +187,22 @@ register_module([
$raw_width = imagesx($image);
$raw_height = imagesy($image);
$image = resize_image($image, $target_size);
$preview_image = resize_image($image, $target_size);
header("content-type: $output_mime");
switch($output_mime)
{
case "image/jpeg":
imagejpeg($image);
imagejpeg($preview_image);
break;
case "image/png":
imagepng($image);
imagepng($preview_image);
break;
default:
case "image/webp":
imagewebp($image);
imagewebp($preview_image);
break;
}
imagedestroy($preview_image);
break;
default:
@ -203,8 +212,33 @@ register_module([
});
page_renderer::register_part_preprocessor(function(&$parts) {
// Todo add the preview to the top of the page here, but onyl if the current action is view and we are on a page prefixed with file:
global $pageindex, $env, $settings;
// Todo add the preview to the top of the page here, but only if the current action is view and we are on a page that is a file
if(isset($pageindex->{$env->page}->uploadedfile) and $pageindex->{$env->page}->uploadedfile == true)
{
// We are looking at a page that is paired with an uploaded file
$filepath = $pageindex->{$env->page}->uploadedfilepath;
$mime_type = $pageindex->{$env->page}->uploadedfilemime;
$preview_sizes = [ 256, 512, 768, 1024, 1536 ];
$preview_html = "<figure class='preview'>
<img src='?action=preview&size=$settings->default_preview_size&page=" . rawurlencode($env->page) . "' />
<nav class='image-controls'>
<ul><li><a href='$filepath'>&#x01f304; Original image</a></li>
<li>Other Sizes: ";
foreach($preview_sizes as $size)
$preview_html .= "<a href='?action=preview&size='$size>$size" . "px</a> ";
$preview_html .= "</li></ul></nav>
</figure>
<h2>File Information</h2>
<table><tr><th>Name</th><td>" . str_replace("File/", "", $filepath) . "</td>
<tr><th>Type</th><td>$mime_type</td></tr>
<tr><th>Size</th><td>" . human_filesize(filesize($filepath)) . "</td></tr>
<tr><th>Uploaded by</th><td>" . $pageindex->{$env->page}->lasteditor . "</td></tr></table>
<h2>Description</h2>";
$parts["{content}"] = str_replace("</h1>", "</h1>\n$preview_html", $parts["{content}"]);
}
});
}
]);
@ -270,8 +304,10 @@ function resize_image($image, $size)
$height_ratio = $size / $cur_height;
$ratio = min($width_ratio, $height_ratio);
$new_height = $cur_height * $ratio;
$new_width = $cur_width * $ratio;
$new_height = floor($cur_height * $ratio);
$new_width = floor($cur_width * $ratio);
header("x-resize-to: $new_width x $new_height\n");
return imagescale($image, $new_width, $new_height);
}

View file

@ -183,11 +183,13 @@ $settings->upload_allowed_file_types = [
"image/webp"
];
// The default file type for previews. Defaults to image/webp. Webp is a new
// image format that can cut image sizez down by ~20%, but may still have some
// issues in certain browsers. Change this to image/png or image/jpeg if you
// experience issues.
$settings->preview_file_type = "image/webp";
// The default file type for previews. Defaults to image/png. Also supports
// image/jpeg and image/webp. image/webp is a new image format that reduces
// image sizez by ~20%, but PHP still has some issues with invalid webp images.
$settings->preview_file_type = "image/png";
// The default size of preview images.
$settings->default_preview_size = 640;
// The location of a file that maps mime types onto file extensions and vice
// versa. Used to generate the file extension for an uploaded file. Set to the
@ -235,6 +237,11 @@ input[type=button], input[type=submit] { cursor: pointer; }
.sidebar ul:before { content: \"\"; position: absolute; top: 0; left: 0; height: 100%; border-left: 2px dashed rgba(50, 50, 50, 0.4); }
.sidebar li:before { content: \"\"; position: absolute; width: 1rem; top: 0.8rem; left: -1.2rem; border-bottom: 2px dashed rgba(50, 50, 50, 0.4); }
.preview { text-align: center; }
.preview img { max-width: 100%; }
.image-controls ul { list-style-type: none; margin: 5px; padding: 5px; }
.image-controls li { display: inline-block; margin: 5px; padding: 5px; }
.printable { padding: 2rem; }