amazons3/lib.php

   1 <?php
   2
   3     global $CFG;
   4
   5     function amazons3_pagesetup() {
   6     }
   7
   8     function amazons3_init() {
   9
  10         /*
  11
  12             Fill in your bucket name to use S3!
  13
  14             Also remember to fill in your key and secret key in s3.class.php.
  15
  16         */
  17         if (empty($CFG->files->amazons3->bucket)) {
  18             $CFG->files->amazons3->bucket = "";
  19         }
  20
  21
  22         global $CFG;
  23         $CFG->files->default_handler = "amazons3";
  24         $CFG->files->handler["amazons3"] = "amazons3_passthru";
  25
  26         if (empty($CFG->files->siteid)) {
  27             $CFG->files->siteid = $CFG->dbuser;
  28         }
  29         listen_for_event("file","create","amazons3_create");
  30         listen_for_event("file","delete","amazons3_delete");
  31     }
  32
  33     function amazons3_upload($originalname, $filePath, $bucket = NULL) {
  34         global $CFG;
  35         if ($bucket == NULL) {
  36             $bucket = $CFG->files->amazons3->bucket;
  37         }
  38         require_once("s3.class.php");
  39         $s3transfer = new s3();
  40         $result = $s3transfer->getObjects($bucket);
  41         if (substr_count($result,"The specified bucket does not exist")) {
  42             $s3transfer->putBucket($bucket);
  43         }
  44         if ($data = file_get_contents($filePath)) {
  45             $output = $s3transfer->putObject($originalname, $data, $bucket);
  46             header("content-type: ".$s3transfer->getResponseContentType());
  47         }
  48     }
  49
  50     function amazons3_passthru($filename, $bucket = NULL) {
  51         global $CFG;
  52
  53         $filename = $CFG->files->siteid . "/" . str_replace($CFG->dataroot, "", $filename);
  54
  55         if ($bucket == NULL) {
  56             $bucket = $CFG->files->amazons3->bucket;
  57         }
  58
  59         require_once($CFG->dirroot . 'lib/filelib.php');
  60         $mimetype = mimeinfo('type',$filename);
  61         require_once("s3.class.php");
  62         $s3transfer = new s3();
  63         $metadata = $s3transfer->getObjectInfo($filename, $bucket, NULL, $mimetype);
  64         $mimetype = mimeinfo('type',$filename);
  65         // header("Content-type: ".$mimetype);
  66         return $s3transfer->getObject($filename,$bucket);
  67     }
  68
  69     function amazons3_create($object_type, $event, $object) {
  70         global $CFG;
  71         amazons3_upload($CFG->files->siteid . "/" . $object->location, $CFG->dataroot . $object->location);
  72         @unlink($CFG->dataroot . $object->location);
  73         $object->handler = "amazons3";
  74         return $object;
  75     }
  76
  77     function amazons3_delete($object_type, $event, $object) {
  78         global $CFG;
  79         require_once("s3.class.php");
  80         $s3transfer = new s3();
  81         $s3transfer->deleteObject($CFG->files->siteid . "/" . $object->location, $CFG->files->amazons3->bucket);
  82         return $object;
  83     }
  84
  85 ?>