154 lines
3.7 KiB
PHP
154 lines
3.7 KiB
PHP
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<?php
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/*
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* Load the config.
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* This provides the directories for images and
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* thumbnails, as well as settings, galleries
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* and albums.
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*/
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require_once("backend/config.php");
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/*
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*
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* Load in all the functions we'll be using..
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*/
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require_once("backend/functions.php");
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$imagesFolder = $config["images"];
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/*
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* If something outside our control has added
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* new images to the database, it should have also
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* added an entry to the appropriate new[x].txt file.
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*
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* If it exists, we can read in the new values from there.
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* If it doesn't, there's nothing interesting to do, and
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* we just carry on init like normal.
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*
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*/
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if( file_exists($config["thumbs"]."/newImages.txt")) {
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$newImages = file($config["thumbs"]."/newImages.txt");
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} else {
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$newImages = array();
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}
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/*
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* Images are retrieved from the database using GET
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* (unlike 90% of my projects where everything is POST)
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*
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* Given that, we need to check if there are any requests
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* in the headers and handle the appropriately.
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*
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* This effectively short-circuits the logic to pass single
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* images.
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*
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* TODO: this could be more efficient!
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*
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*/
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if ( isset( $_GET["image"] ) ) {
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$image = relativeToAbsolute( stripslashes( $_GET["image"] ), $imagesFolder );
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if ( isPathValid( $image, $imagesFolder ) ) {
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return sendFile($image);
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} else {
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$error = "Image not found";
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}
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}
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/*
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* There is similar logic for the thumbnails.
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* Theoretically this should come before full images,
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* but that breaks things in testing.
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*
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* TODO: optimise!
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*/
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if ( isset( $_GET["thumb"] ) ) {
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/*
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* There needs to be a fallback for when an image doesn't have a generated thumbnail.
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* This will prepare both the image and the thumbnail, in preparation
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* for needing to send the full image, in the case that there is no thumbnail, and
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* the attempt to generate the thumbnail fails.
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*
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* We can only spend so much time processing a tiny image, after all.
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*/
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$image = relativeToAbsolute( stripslashes( $_GET["thumb"] ), $imagesFolder );
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$thumb = relativeToAbsolute( stripslashes( $_GET["thumb"] ), $config["thumbs"]);
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if ( isPathValid( $image, $imagesFolder ) ) {
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if ( !file_exists( $thumb ) ) {
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createThumbnail( $image, $thumb, $config["thumbs"] );
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}
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// Generation can fail! We need to double check else risk a 400
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if ( file_exists( $thumb ) ) {
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return sendFile($thumb);
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} else {
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return sendFile($image);
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}
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} else {
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$error = "Image not found!";
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}
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}
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/**
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*
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* We need to be able to handle custom paths as well.
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* TODO: Implement this!
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*/
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if ( isset( $_GET["category"] ) ) {
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console_log("Loading category " . $_GET["category"] );
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$tempDir = relativeToAbsolute( stripslashes( $_GET["category"] ), $imagesFolder );
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console_log("Directory for category is " . $tempDir);
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if ( isPathValid( $tempDir, $imagesFolder ) ) {
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console_log("Directory is valid.");
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$dir = $tempDir;
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} else {
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console_log("Directory is invalid");
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$error = "Invalid category";
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}
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}
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/**
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*
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* Now that we've handled all the shortcircuit logic to handle
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* sending images, we can start showing a UI.
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*
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* First, we handle <head>:
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*/
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require_once("templates/header.php");
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/**
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* Then we show the menu at the top.
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* This will contain breadcrumbs to show you what's going on.
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*/
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require_once("templates/menu.php");
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/**
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* Then we can start showing content.
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*
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* As it stands, this is where most of the work is going.
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* Who would've thought?
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*/
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require_once("templates/content.php");
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require_once("templates/footer.php");
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?>
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