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comparison xml/aws_signed_request.php @ 6:077b0a0a3e6d

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remaining originals according to dependency walk
author Robert Boland <robert@markup.co.uk>
date Thu, 16 Feb 2017 22:29:02 +0000
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5:55445b456ad0 6:077b0a0a3e6d
1 <?php
2
3 //20090627/Jaap van Ganswijk: This is a modified version, see the
4 //return statement some lines before the end of the last function.
5
6 if (!function_exists("aws_signed_request")) {
7 function aws_signed_request($region, $params, $public_key, $private_key)
8 {
9 /*
10 Copyright (c) 2009 Ulrich Mierendorff
11
12 Permission is hereby granted, free of charge, to any person obtaining a
13 copy of this software and associated documentation files (the "Software"),
14 to deal in the Software without restriction, including without limitation
15 the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 and/or sell copies of the Software, and to permit persons to whom the
17 Software is furnished to do so, subject to the following conditions:
18
19 The above copyright notice and this permission notice shall be included in
20 all copies or substantial portions of the Software.
21
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 DEALINGS IN THE SOFTWARE.
29 */
30
31 /*
32 Parameters:
33 $region - the Amazon(r) region (ca,com,co.uk,de,fr,jp)
34 $params - an array of parameters, eg. array("Operation"=>"ItemLookup",
35 "ItemId"=>"B000X9FLKM", "ResponseGroup"=>"Small")
36 $public_key - your "Access Key ID"
37 $private_key - your "Secret Access Key"
38 */
39
40 // some paramters
41 $method = "GET";
42 $host = "ecs.amazonaws.".$region;
43 $uri = "/onca/xml";
44
45 // additional parameters
46 $params["Service"] = "AWSECommerceService";
47 $params["AWSAccessKeyId"] = $public_key;
48 // GMT timestamp
49 $params["Timestamp"] = gmdate("Y-m-d\TH:i:s\Z");
50 // API version
51 $params["Version"] = "2011-08-01";
52
53 // sort the parameters
54 ksort($params);
55
56 // create the canonicalized query
57 $canonicalized_query = array();
58 foreach ($params as $param=>$value)
59 {
60 $param = str_replace("%7E", "~", rawurlencode($param));
61 $value = str_replace("%7E", "~", rawurlencode($value));
62 $canonicalized_query[] = $param."=".$value;
63 }
64 $canonicalized_query = implode("&", $canonicalized_query);
65
66 // create the string to sign
67 $string_to_sign = $method."\n".$host."\n".$uri."\n".$canonicalized_query;
68
69 // calculate HMAC with SHA256 and base64-encoding
70 $signature = base64_encode(hash_hmac("sha256", $string_to_sign, $private_key, True));
71
72 // encode the signature for the request
73 $signature = str_replace("%7E", "~", rawurlencode($signature));
74
75 // create request
76 $request = "http://".$host.$uri."?".$canonicalized_query."&Signature=".$signature;
77
78 //20090627 and 20090804/Jaap van Ganswijk: I added the next lines
79 //and commented out the others to prevent getting the file and
80 //interpreting the XML because my script likes to do that itself.
81
82 return $request;
83
84 // // do request
85 // $response = @file_get_contents($request);
86 //
87 // if ($response === False)
88 // {
89 // return False;
90 // }
91 // else
92 // {
93 // // parse XML
94 // $pxml = simplexml_load_string($response);
95 // if ($pxml === False)
96 // {
97 // return False; // no xml
98 // }
99 // else
100 // {
101 // return $pxml;
102 // }
103 // }
104 }
105 }
106 ?>