1 /* @file urlencode.h
2  * @brief URL encoding as described by RFC3986.
3  */
4 /* Copyright (C) 2011,2014 Olly Betts
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22  * IN THE SOFTWARE.
23  */
24 
25 #ifndef OMEGA_INCLUDED_URLENCODE_H
26 #define OMEGA_INCLUDED_URLENCODE_H
27 
28 #include <cstring>
29 #include <string>
30 
31 void url_encode_(std::string & res,
32 		 const char * p, size_t len,
33 		 const char * safe);
34 
35 inline void
url_encode(std::string & res,const std::string & str)36 url_encode(std::string & res, const std::string &str)
37 {
38     url_encode_(res, str.data(), str.size(), "-._~");
39 }
40 
41 inline void
url_encode(std::string & res,const char * p)42 url_encode(std::string & res, const char * p)
43 {
44     url_encode_(res, p, std::strlen(p), "-._~");
45 }
46 
47 /// Append a path, url encoding the segments, but not the '/' between them.
48 inline void
url_encode_path(std::string & res,const std::string & str)49 url_encode_path(std::string & res, const std::string &str)
50 {
51     url_encode_(res, str.data(), str.size(), "/-._~");
52 }
53 
54 /// Append a path, url encoding the segments, but not the '/' between them.
55 inline void
url_encode_path(std::string & res,const char * p)56 url_encode_path(std::string & res, const char * p)
57 {
58     url_encode_(res, p, std::strlen(p), "/-._~");
59 }
60 
61 /** Like url_encode_path(), but only encode when we have to.
62  *
63  *  Prior to 1.2.18 we failed to URL encode start_url - as of 1.3.2, we encode
64  *  it fully, but for the 1.2 branch we don't want to change things in cases
65  *  which currently work OK as that would cause all the documents to get
66  *  reindexed after upgrading.
67  *
68  *  So we check if the string contains any of the characters which would really
69  *  cause a problem, and only do the encoding if it does.  Such cases would not
70  *  have worked prior to 1.2.18.
71  */
72 void url_encode_path_lite(std::string & res, const char * p,
73 			  size_t len);
74 
75 inline void
url_encode_path_lite(std::string & res,const std::string & str)76 url_encode_path_lite(std::string & res, const std::string & str)
77 {
78     url_encode_path_lite(res, str.data(), str.size());
79 }
80 
81 #endif // OMEGA_INCLUDED_URLENCODE_H
82