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author | tcitworld <thomas.citharet@gmail.com> | 2014-01-04 12:30:31 -0800 |
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committer | tcitworld <thomas.citharet@gmail.com> | 2014-01-04 12:30:31 -0800 |
commit | 7f667839764621b5aa01c9db8ce5dde2a29ef18f (patch) | |
tree | 93d8241ee81c87e18494325ae02f0589a8e328a2 /inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php | |
parent | a84f77d6ba15a64ff00453f5d5190c021ce460ed (diff) | |
parent | 2abcccb37180c17318f5226f5d4bc28f30b621ea (diff) | |
download | wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.tar.gz wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.tar.zst wallabag-7f667839764621b5aa01c9db8ce5dde2a29ef18f.zip |
Merge pull request #1 from inthepoche/dev
Dev
Diffstat (limited to 'inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php')
-rw-r--r-- | inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php b/inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php deleted file mode 100644 index 7be71374..00000000 --- a/inc/3rdparty/simplepie/SimplePie/Content/Type/Sniffer.php +++ /dev/null | |||
@@ -1,325 +0,0 @@ | |||
1 | <?php | ||
2 | /** | ||
3 | * SimplePie | ||
4 | * | ||
5 | * A PHP-Based RSS and Atom Feed Framework. | ||
6 | * Takes the hard work out of managing a complete RSS/Atom solution. | ||
7 | * | ||
8 | * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors | ||
9 | * All rights reserved. | ||
10 | * | ||
11 | * Redistribution and use in source and binary forms, with or without modification, are | ||
12 | * permitted provided that the following conditions are met: | ||
13 | * | ||
14 | * * Redistributions of source code must retain the above copyright notice, this list of | ||
15 | * conditions and the following disclaimer. | ||
16 | * | ||
17 | * * Redistributions in binary form must reproduce the above copyright notice, this list | ||
18 | * of conditions and the following disclaimer in the documentation and/or other materials | ||
19 | * provided with the distribution. | ||
20 | * | ||
21 | * * Neither the name of the SimplePie Team nor the names of its contributors may be used | ||
22 | * to endorse or promote products derived from this software without specific prior | ||
23 | * written permission. | ||
24 | * | ||
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS | ||
26 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | ||
27 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS | ||
28 | * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
33 | * POSSIBILITY OF SUCH DAMAGE. | ||
34 | * | ||
35 | * @package SimplePie | ||
36 | * @version 1.3-dev | ||
37 | * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue | ||
38 | * @author Ryan Parman | ||
39 | * @author Geoffrey Sneddon | ||
40 | * @author Ryan McCue | ||
41 | * @link http://simplepie.org/ SimplePie | ||
42 | * @license http://www.opensource.org/licenses/bsd-license.php BSD License | ||
43 | * @todo phpDoc comments | ||
44 | */ | ||
45 | |||
46 | |||
47 | /** | ||
48 | * Content-type sniffing | ||
49 | * | ||
50 | * Based on the rules in http://tools.ietf.org/html/draft-abarth-mime-sniff-06 | ||
51 | * @package SimplePie | ||
52 | */ | ||
53 | class SimplePie_Content_Type_Sniffer | ||
54 | { | ||
55 | /** | ||
56 | * File object | ||
57 | * | ||
58 | * @var SimplePie_File | ||
59 | */ | ||
60 | var $file; | ||
61 | |||
62 | /** | ||
63 | * Create an instance of the class with the input file | ||
64 | * | ||
65 | * @param SimplePie_Content_Type_Sniffer $file Input file | ||
66 | */ | ||
67 | public function __construct($file) | ||
68 | { | ||
69 | $this->file = $file; | ||
70 | } | ||
71 | |||
72 | /** | ||
73 | * Get the Content-Type of the specified file | ||
74 | * | ||
75 | * @return string Actual Content-Type | ||
76 | */ | ||
77 | public function get_type() | ||
78 | { | ||
79 | if (isset($this->file->headers['content-type'])) | ||
80 | { | ||
81 | if (!isset($this->file->headers['content-encoding']) | ||
82 | && ($this->file->headers['content-type'] === 'text/plain' | ||
83 | || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1' | ||
84 | || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1' | ||
85 | || $this->file->headers['content-type'] === 'text/plain; charset=UTF-8')) | ||
86 | { | ||
87 | return $this->text_or_binary(); | ||
88 | } | ||
89 | |||
90 | if (($pos = strpos($this->file->headers['content-type'], ';')) !== false) | ||
91 | { | ||
92 | $official = substr($this->file->headers['content-type'], 0, $pos); | ||
93 | } | ||
94 | else | ||
95 | { | ||
96 | $official = $this->file->headers['content-type']; | ||
97 | } | ||
98 | $official = trim(strtolower($official)); | ||
99 | |||
100 | if ($official === 'unknown/unknown' | ||
101 | || $official === 'application/unknown') | ||
102 | { | ||
103 | return $this->unknown(); | ||
104 | } | ||
105 | elseif (substr($official, -4) === '+xml' | ||
106 | || $official === 'text/xml' | ||
107 | || $official === 'application/xml') | ||
108 | { | ||
109 | return $official; | ||
110 | } | ||
111 | elseif (substr($official, 0, 6) === 'image/') | ||
112 | { | ||
113 | if ($return = $this->image()) | ||
114 | { | ||
115 | return $return; | ||
116 | } | ||
117 | else | ||
118 | { | ||
119 | return $official; | ||
120 | } | ||
121 | } | ||
122 | elseif ($official === 'text/html') | ||
123 | { | ||
124 | return $this->feed_or_html(); | ||
125 | } | ||
126 | else | ||
127 | { | ||
128 | return $official; | ||
129 | } | ||
130 | } | ||
131 | else | ||
132 | { | ||
133 | return $this->unknown(); | ||
134 | } | ||
135 | } | ||
136 | |||
137 | /** | ||
138 | * Sniff text or binary | ||
139 | * | ||
140 | * @return string Actual Content-Type | ||
141 | */ | ||
142 | public function text_or_binary() | ||
143 | { | ||
144 | if (substr($this->file->body, 0, 2) === "\xFE\xFF" | ||
145 | || substr($this->file->body, 0, 2) === "\xFF\xFE" | ||
146 | || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF" | ||
147 | || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF") | ||
148 | { | ||
149 | return 'text/plain'; | ||
150 | } | ||
151 | elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body)) | ||
152 | { | ||
153 | return 'application/octect-stream'; | ||
154 | } | ||
155 | else | ||
156 | { | ||
157 | return 'text/plain'; | ||
158 | } | ||
159 | } | ||
160 | |||
161 | /** | ||
162 | * Sniff unknown | ||
163 | * | ||
164 | * @return string Actual Content-Type | ||
165 | */ | ||
166 | public function unknown() | ||
167 | { | ||
168 | $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20"); | ||
169 | if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html' | ||
170 | || strtolower(substr($this->file->body, $ws, 5)) === '<html' | ||
171 | || strtolower(substr($this->file->body, $ws, 7)) === '<script') | ||
172 | { | ||
173 | return 'text/html'; | ||
174 | } | ||
175 | elseif (substr($this->file->body, 0, 5) === '%PDF-') | ||
176 | { | ||
177 | return 'application/pdf'; | ||
178 | } | ||
179 | elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-') | ||
180 | { | ||
181 | return 'application/postscript'; | ||
182 | } | ||
183 | elseif (substr($this->file->body, 0, 6) === 'GIF87a' | ||
184 | || substr($this->file->body, 0, 6) === 'GIF89a') | ||
185 | { | ||
186 | return 'image/gif'; | ||
187 | } | ||
188 | elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") | ||
189 | { | ||
190 | return 'image/png'; | ||
191 | } | ||
192 | elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") | ||
193 | { | ||
194 | return 'image/jpeg'; | ||
195 | } | ||
196 | elseif (substr($this->file->body, 0, 2) === "\x42\x4D") | ||
197 | { | ||
198 | return 'image/bmp'; | ||
199 | } | ||
200 | elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") | ||
201 | { | ||
202 | return 'image/vnd.microsoft.icon'; | ||
203 | } | ||
204 | else | ||
205 | { | ||
206 | return $this->text_or_binary(); | ||
207 | } | ||
208 | } | ||
209 | |||
210 | /** | ||
211 | * Sniff images | ||
212 | * | ||
213 | * @return string Actual Content-Type | ||
214 | */ | ||
215 | public function image() | ||
216 | { | ||
217 | if (substr($this->file->body, 0, 6) === 'GIF87a' | ||
218 | || substr($this->file->body, 0, 6) === 'GIF89a') | ||
219 | { | ||
220 | return 'image/gif'; | ||
221 | } | ||
222 | elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") | ||
223 | { | ||
224 | return 'image/png'; | ||
225 | } | ||
226 | elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") | ||
227 | { | ||
228 | return 'image/jpeg'; | ||
229 | } | ||
230 | elseif (substr($this->file->body, 0, 2) === "\x42\x4D") | ||
231 | { | ||
232 | return 'image/bmp'; | ||
233 | } | ||
234 | elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") | ||
235 | { | ||
236 | return 'image/vnd.microsoft.icon'; | ||
237 | } | ||
238 | else | ||
239 | { | ||
240 | return false; | ||
241 | } | ||
242 | } | ||
243 | |||
244 | /** | ||
245 | * Sniff HTML | ||
246 | * | ||
247 | * @return string Actual Content-Type | ||
248 | */ | ||
249 | public function feed_or_html() | ||
250 | { | ||
251 | $len = strlen($this->file->body); | ||
252 | $pos = strspn($this->file->body, "\x09\x0A\x0D\x20"); | ||
253 | |||
254 | while ($pos < $len) | ||
255 | { | ||
256 | switch ($this->file->body[$pos]) | ||
257 | { | ||
258 | case "\x09": | ||
259 | case "\x0A": | ||
260 | case "\x0D": | ||
261 | case "\x20": | ||
262 | $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos); | ||
263 | continue 2; | ||
264 | |||
265 | case '<': | ||
266 | $pos++; | ||
267 | break; | ||
268 | |||
269 | default: | ||
270 | return 'text/html'; | ||
271 | } | ||
272 | |||
273 | if (substr($this->file->body, $pos, 3) === '!--') | ||
274 | { | ||
275 | $pos += 3; | ||
276 | if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false) | ||
277 | { | ||
278 | $pos += 3; | ||
279 | } | ||
280 | else | ||
281 | { | ||
282 | return 'text/html'; | ||
283 | } | ||
284 | } | ||
285 | elseif (substr($this->file->body, $pos, 1) === '!') | ||
286 | { | ||
287 | if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false) | ||
288 | { | ||
289 | $pos++; | ||
290 | } | ||
291 | else | ||
292 | { | ||
293 | return 'text/html'; | ||
294 | } | ||
295 | } | ||
296 | elseif (substr($this->file->body, $pos, 1) === '?') | ||
297 | { | ||
298 | if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false) | ||
299 | { | ||
300 | $pos += 2; | ||
301 | } | ||
302 | else | ||
303 | { | ||
304 | return 'text/html'; | ||
305 | } | ||
306 | } | ||
307 | elseif (substr($this->file->body, $pos, 3) === 'rss' | ||
308 | || substr($this->file->body, $pos, 7) === 'rdf:RDF') | ||
309 | { | ||
310 | return 'application/rss+xml'; | ||
311 | } | ||
312 | elseif (substr($this->file->body, $pos, 4) === 'feed') | ||
313 | { | ||
314 | return 'application/atom+xml'; | ||
315 | } | ||
316 | else | ||
317 | { | ||
318 | return 'text/html'; | ||
319 | } | ||
320 | } | ||
321 | |||
322 | return 'text/html'; | ||
323 | } | ||
324 | } | ||
325 | |||