/
packager_atom_multipart.php
176 lines (143 loc) · 6.5 KB
/
packager_atom_multipart.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
<?php
require_once('utils.php');
class PackagerAtomMultipart {
// The location of the files (without final directory)
private $sac_root_in;
// The directory to zip up in the $sac_root_in directory
private $sac_ir_in;
// The location to write the package out to
private $sac_root_out;
// The filename to save the package as
private $sac_file_out;
// File names
private $sac_files;
// Number of files added
private $sac_filecount;
// The dcterms metadata
private $sac_entry_dctermsFields;
private $sac_entry_dctermsValues;
private $sac_entry_dctermsAttributes;
// The entry title
private $sac_entry_title;
// The entry id
private $sac_entry_id;
// The entry updated date / time stamp
private $sac_entry_updated;
// The entry author names
private $sac_entry_authors;
// The entry summary text
private $sac_entry_summary;
function __construct($sac_rootin, $sac_dirin, $sac_rootout, $sac_fileout) {
// Store the values
$this->sac_root_in = $sac_rootin;
$this->sac_dir_in = $sac_dirin;
$this->sac_root_out = $sac_rootout;
$this->sac_file_out = $sac_fileout;
$this->sac_files = array();
$this->sac_mimetypes = array();
$this->sac_filecount = 0;
$this->sac_entry_dctermsFields = array();
$this->sac_entry_dctermsValues = array();
$this->sac_entry_dctermsAttributes = array();
$this->sac_entry_authors = array();
}
function setTitle($sac_thetitle) {
$this->sac_entry_title = $this->clean($sac_thetitle);
}
function setIdentifier($sac_theID) {
$this->sac_entry_id = $this->clean($sac_theID);
}
function setUpdated($sac_theUpdated) {
$this->sac_entry_updated = $this->clean($sac_theUpdated);
}
function addEntryAuthor($sac_theauthor) {
array_push($this->sac_entry_authors, $this->clean($sac_theauthor));
}
function setSummary($sac_theSummary) {
$this->sac_entry_summary = $this->clean($sac_theSummary);
}
function addMetadata($sac_theElement, $sac_theValue, $sac_theAttributes = array()) {
array_push($this->sac_entry_dctermsFields, $this->clean($sac_theElement));
array_push($this->sac_entry_dctermsValues, $this->clean($sac_theValue));
$sac_cleanAttributes = array();
foreach ($sac_theAttributes as $attrName => $attrValue) {
$sac_cleanAttributes[$this->clean($attrName)] = $this->clean($attrValue);
}
array_push($this->sac_entry_dctermsAttributes, $sac_cleanAttributes);
}
function addFile($sac_thefile) {
array_push($this->sac_files, $sac_thefile);
$this->sac_filecount++;
}
function create() {
// Write the atom entry manifest
$sac_atom = $this->sac_root_in . '/' . $this->sac_dir_in . '/atom';
$fh = @fopen($sac_atom, 'w');
if (!$fh) {
throw new Exception("Error writing atom entry manifest (" .
$this->sac_root_in . '/' . $this->sac_dir_in . '/atom)');
}
// Write the atom entry header
fwrite($fh, "<?xml version=\"1.0\"?>\n");
fwrite($fh, "<entry xmlns=\"http://www.w3.org/2005/Atom\" xmlns:dcterms=\"http://purl.org/dc/terms/\">\n");
if (!empty($this->sac_entry_title)) fwrite($fh, "\t<title>" . $this->sac_entry_title . "</title>\n");
if (!empty($this->sac_entry_id)) fwrite($fh, "\t<id>" . $this->sac_entry_id . "</id>\n");
if (!empty($this->sac_entry_updated)) fwrite($fh, "\t<updated>" . $this->sac_entry_updated . "</updated>\n");
foreach ($this->sac_entry_authors as $sac_author) {
fwrite($fh, "\t<author><name>" . $sac_author . "</name></author>\n");
}
if (!empty($this->sac_entry_summary)) fwrite($fh, "\t<summary>" . $this->sac_entry_summary . "</summary>\n");
// Write the dcterms metadata
for ($i = 0; $i < count($this->sac_entry_dctermsFields); $i++) {
$dcElement = "\t<dcterms:" . $this->sac_entry_dctermsFields[$i];
if (!empty($this->sac_entry_dctermsAttributes[$i])) {
foreach ($this->sac_entry_dctermsAttributes[$i] as $attrName => $attrValue) {
$dcElement .= " $attrName=\"$attrValue\"";
}
}
$dcElement .= ">" . $this->sac_entry_dctermsValues[$i] . "</dcterms:" . $this->sac_entry_dctermsFields[$i] . ">\n";
fwrite($fh, $dcElement);
}
// Close the file
fwrite($fh, "</entry>\n");
fclose($fh);
// Create the zipped package of the files if required (force an overwrite if it already exists)
if ($this->sac_filecount > 0) {
$zip = new ZipArchive();
$sac_package = $this->sac_root_out . '/' . $this->sac_file_out . '.zip';
$zip->open($sac_package, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE);
for ($i = 0; $i < $this->sac_filecount; $i++) {
$zip->addFile($this->sac_root_in . '/' . $this->sac_dir_in . '/' . $this->sac_files[$i],
$this->sac_files[$i]);
}
$zip->close();
// Create the multipart package
$atom = file_get_contents($sac_atom);
$xml = "\r\nMedia Post\r\n";
$xml .= "--===============SWORDPARTS==\r\n";
$xml .= "Content-Type: application/atom+xml\r\n";
$xml .= "MIME-Version: 1.0\r\n";
$xml .= "Content-Disposition: attachment; name=\"atom\"\r\n";
$xml .= "\r\n";
$xml .= $atom;
unset($atom);
$xml .= "--===============SWORDPARTS==\r\n";
$xml .= "Content-Type: application/zip\r\n";
$xml .= "Content-MD5: " . md5_file($sac_package) . "\r\n";
$xml .= "MIME-Version: 1.0\r\n";
$xml .= "Content-Disposition: attachment; name=\"payload\"; filename=\"package.zip\"\r\n";
$xml .= "Packaging: http://purl.org/net/sword/package/SimpleZip\r\n";
$xml .= "Content-Transfer-Encoding: base64\r\n\r\n";
$temp = $this->sac_root_out . '/' . $this->sac_file_out;
file_put_contents($temp, $xml);
$xml = "";
base64chunk($sac_package, $temp, FILE_APPEND);
$xml .= "--===============SWORDPARTS==--\r\n";
file_put_contents($temp, $xml, FILE_APPEND);
}
}
function clean($data) {
return str_replace(''', ''', htmlspecialchars($data, ENT_QUOTES));
}
}
?>