/3.0/modules/aws_s3/helpers/aws_s3.php
PHP | 330 lines | 267 code | 61 blank | 2 comment | 45 complexity | 5ed2ab7a61364138a52da1ae6e774ebc MD5 | raw file
Possible License(s): GPL-3.0, GPL-2.0
- <?php defined("SYSPATH") or die("No direct script access.");
- class aws_s3_Core {
- const UPLOAD_FULLSIZE = 1;
- const UPLOAD_RESIZE = 2;
- const UPLOAD_THUMB = 4;
- private static $_s3;
- static function get_s3() {
- if (!self::$_s3) {
- require_once(MODPATH . "aws_s3/lib/s3.php");
- S3::setAuth(module::get_var("aws_s3", "access_key"), module::get_var("aws_s3", "secret_key"));
- S3::$useSSL = module::get_var("aws_s3", "use_ssl", false);
- }
- return self::$_s3;
- }
- static function getHash($string) {
- return base64_encode(extension_loaded('hash') ?
- hash_hmac('sha1', $string, module::get_var("aws_s3", "secret_key"), true) : pack('H*', sha1(
- (str_pad(module::get_var("aws_s3", "secret_key"), 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
- pack('H*', sha1((str_pad(module::get_var("aws_s3", "secret_key"), 64, chr(0x00)) ^
- (str_repeat(chr(0x36), 64))) . $string)))));
- }
-
- static function generate_url($resource, $authenticated = false, $updated = null) {
- $find = array("{guid}", "{bucket}", "{resource}");
- $replace = array(module::get_var("aws_s3", "g3id"), module::get_var("aws_s3", "bucket_name"), $resource);
- $url = str_replace($find, $replace, module::get_var("aws_s3", "url_str"));
-
- if ($authenticated) {
- preg_match("%https?://([a-zA-Z0-9\.-]*)/(.*)$%", $url, $matches);
- $host = module::get_var("aws_s3" , "bucket_name");
- $resource = $matches[2];
- $url .= "?AWSAccessKeyId=" . module::get_var("aws_s3", "access_key") .
- "&Expires=" . (time() + module::get_var("aws_s3", "sig_exp")) .
- "&Signature=" . urlencode(self::getHash("GET\n\n\n" . (time() + module::get_var("aws_s3", "sig_exp")) . "\n/" . $host . "/" . $resource));
-
- self::get_s3();
- S3::getAuthenticatedURL(module::get_var("aws_s3", "bucket_name"), $resource, module::get_var("aws_s3", "sig_exp"));
- }
- else
- $url .= "?m=" . ($updated ? $updated : time());
- return $url;
- }
- static function get_resource_url($resource) {
- $url = self::generate_url($resource);
- preg_match("%https?://[\w\.\-]*/(.*)\?%", $url, $matches);
- if (count($matches) > 0)
- return $matches[1];
- return false;
- }
- static function log($item) {
- if (is_string($item) || is_numeric($item)) {}
- else
- $item = print_r($item, true);
- $fh = fopen(VARPATH . "modules/aws_s3/log/aws_s3-" . date("Y-m-d") . ".log", "a");
- fwrite($fh, date("Y-m-d H:i:s") . ": " . $item . "\n");
- fclose($fh);
- }
- static function get_upload_flags() {
- $flags = 0;
- if (module::get_var("aws_s3", "upload_thumbs") == 1)
- $flags += self::UPLOAD_THUMB;
- if (module::get_var("aws_s3", "upload_resizes") == 1)
- $flags += self::UPLOAD_RESIZE;
- if (module::get_var("aws_s3", "upload_fullsizes") == 1)
- $flags += self::UPLOAD_FULLSIZE;
- return $flags;
- }
-
- static function upload_item($item, $flags = 7) {
- self::get_s3();
- $filename = urldecode($item->relative_path());
- $itype = "I";
- if ($item->is_album()) {
- $filename .= "/.album.jpg";
- $itype = "A";
- }
- if (!$item->s3_fullsize_uploaded && $flags & aws_s3::UPLOAD_FULLSIZE && !$item->is_album()) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Uploading fullsize object");
- $success_fs = S3::putObjectFile(VARPATH . "albums/" . $filename,
- module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("fs/" . $filename),
- ($item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- $item->s3_fullsize_uploaded = $success_fs;
- }
- else
- $success_fs = true;
- if (!$item->s3_resize_uploaded && $flags & aws_s3::UPLOAD_RESIZE && !$item->is_album()) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Uploading resize object");
- $success_rs = S3::putObjectFile(VARPATH . "resizes/" . $filename,
- module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("rs/" . $filename),
- ($item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- $item->s3_resize_uploaded = $success_rs;
- }
- else
- $success_rs = true;
- if (!$item->s3_thumb_uploaded && $flags & aws_s3::UPLOAD_THUMB) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Uploading thumbnail object");
- $success_th = S3::putObjectFile(VARPATH . "thumbs/" . $filename,
- module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("th/" . $filename),
- ($item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- $item->s3_thumb_uploaded = $success_th;
- }
- else
- $success_th = true;
- $item->s3_item_hash = md5($item->relative_path());
- $item->save();
- $success = $success_fs && $success_th && $success_rs;
- aws_s3::log("item upload success: " . $success);
- return $success;
- }
- static function move_item($old_item, $new_item) {
- self::get_s3();
- $old_filename = urldecode($old_item->relative_path());
- $new_filename = urldecode($new_item->relative_path());
- aws_s3::log("old filename: " . self::get_resource_url("fs/" . $old_filename) . ", " .
- "new filename: " . self::get_resource_url("fs/" . $new_filename));
- //aws_s3::log($old_item->get_aws_s3_meta());
-
- if ($old_item->s3_fullsize_uploaded) {
- aws_s3::log("Copying fullsize " . $old_filename . " to " . $new_filename);
- S3::copyObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("fs/" . $old_filename),
- module::get_var("aws_s3", "bucket_name"), self::get_resource_url("fs/" . $new_filename),
- ($new_item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- S3::deleteObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("fs/" . $old_filename));
- }
- else
- aws_s3::upload_item($new_item, aws_s3::UPLOAD_FULLSIZE);
- if ($old_item->s3_resize_uploaded) {
- aws_s3::log("Copying resized " . $old_filename . " to " . $new_filename);
- S3::copyObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("rs/" . $old_filename),
- module::get_var("aws_s3", "bucket_name"), self::get_resource_url("rs/" . $new_filename),
- ($new_item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- S3::deleteObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("rs/" . $old_filename));
- }
- else
- aws_s3::upload_item($new_item, aws_s3::UPLOAD_RESIZE);
- if ($old_item->s3_thumb_uploaded) {
- aws_s3::log("Copying thumbnail " . $old_filename . " to " . $new_filename);
- S3::copyObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("th/" . $old_filename),
- module::get_var("aws_s3", "bucket_name"), self::get_resource_url("th/" . $new_filename),
- ($new_item->view_1 ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE));
- S3::deleteObject(module::get_var("aws_s3", "bucket_name"), self::get_resource_url("th/" . $old_filename));
- }
- else
- aws_s3::upload_item($new_item, aws_s3::UPLOAD_THUMB);
- }
- static function remove_item($item) {
- self::get_s3();
- $filename = urldecode($item->relative_path());
- $itype = "I";
- if ($item->is_album()) {
- $filename .= "/.album.jpg";
- $itype = "A";
- }
- if ($item->s3_fullsize_uploaded && !$item->is_album()) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Deleting fullsize object");
- $success_fs = S3::deleteObject(module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("fs/" . $filename));
- $item->s3_fullsize_uploaded = !$success_fs;
- }
- else
- $success_fs = true;
- if ($item->s3_resize_uploaded && !$item->is_album()) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Deleting resize object");
- $success_rs = S3::deleteObject(module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("rs/" . $filename));
- $item->s3_resize_uploaded = !$success_rs;
- }
- else
- $success_rs = true;
- if ($item->s3_thumb_uploaded) {
- aws_s3::log("[" . $itype . ":" . $item->id . "] Deleting thumbnail object");
- $success_th = S3::deleteObject(module::get_var("aws_s3", "bucket_name"),
- self::get_resource_url("th/" . $filename));
- $item->s3_thumb_uploaded = !$success_th;
- }
- else
- $success_th = true;
-
- $item->save_s3_meta();
- $success = $success_fs && $success_th && $success_rs;
- aws_s3::log("S3 delete success: " . $success);
- return $success;
- }
- static function getAuthenticatedURL($bucket, $uri) {
- self::get_s3();
- return S3::getAuthenticatedURL($bucket, $uri, 60);
- }
- static function validate_number($field) {
- if (preg_match("/\D/", $field->value))
- $field->add_error("not_numeric", 1);
- }
- static function validate_bucket($field) {
- if (preg_match("/[^a-zA-Z0-9\-\.]/", $field->value))
- $field->add_error("invalid", 1);
- }
- // @TODO: Write validation function (check with S3)
- static function validate_access_details($access_key, $secret_key, $bucket_name) {
- require_once(MODPATH . "aws_s3/lib/s3.php");
- S3::setAuth($access_key, $secret_key);
- S3::$useSSL = false;
- $success_test = S3::putObjectString((string)time(), $bucket_name, ".s3_test");
- if ($success_test)
- S3::deleteObject($bucket_name, ".s3_test");
- return $success_test;
- }
- static function base64_filename(Item_Model $item) {
- $file_path = explode("/", $item->relative_path());
- return base64_encode(end($file_path));
- }
- static function can_schedule() {
- if (!module::is_active("scheduler")) {
- return false;
- }
-
- return true;
- }
- static function schedule_task($task) {
- $schedule = ORM::factory("schedule");
- $schedule->add_task($task);
- }
- static function schedule_full_sync2() {
- $task_def =
- Task_Definition::factory()
- ->callback("aws_s3_task::sync")
- ->name("Amazon S3 bucket synchronisation")
- ->severity(log::SUCCESS);
- $task = task::create($task_def, array());
- self::schedule_task($task);
- }
- static function schedule_full_sync($this_task) {
- if (!self::can_schedule())
- throw new Exception("Unable to initialize schedule");
- try {
- self::schedule_full_sync2();
- $this_task->status = "Scheduled re-sync task";
- $this_task->done = true;
- $this_task->state = "success";
- $this_task->percent_complete = 100;
- }
- catch (Exception $err) {
- $task->done = true;
- $thisSynchronise_task->state = "error";
- $this_task->status = $err->getMessage();
- $this_task->log((string)$err);
- }
- $this_task->save();
- if (!module::get_var("aws_s3", "synced", false)) {
- site_status::warning(
- "Your site has been scheduled for full Amazon S3 re-synchronisation. This message will clear when this has been completed.",
- "aws_s3_not_synced"
- );
- }
- return true;
- }
- static function schedule_item_sync($item) {
- if (!self::can_schedule())
- throw new Exception("Unable to initialize schedule");
-
- $item_id = null;
- if (is_object($item) && $item instanceof Item_Model)
- $item_id = $item->id;
- else if (is_numeric($item))
- $item_id = $item;
- else
- throw new Exception("Un-intelligible item reference passed.");
- $task_def =
- Task_Definition::factory()
- ->callback("aws_s3_task::upload_item")
- ->name("Amazon S3 item upload (ID: " . $item_id . ")")
- ->severity(log::SUCCESS);
- $task = task::create($task_def, array("item_id" => $item_id));
- self::schedule_task($task);
- }
- }