This file is indexed.

/usr/include/cpprest/http_headers.h is in libcpprest-dev 2.9.1-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
/***
* Copyright (C) Microsoft. All rights reserved.
* Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
*
* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
*
* For the latest on this and related APIs, please see: https://github.com/Microsoft/cpprestsdk
*
* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
****/
#pragma once

#include <map>
#include <memory>
#include <string>
#include <vector>
#include <system_error>
#include "cpprest/asyncrt_utils.h"

namespace web { namespace http {

/// <summary>
/// Binds an individual reference to a string value.
/// </summary>
/// <typeparam name="key_type">The type of string value.</typeparam>
/// <typeparam name="_t">The type of the value to bind to.</typeparam>
/// <param name="text">The string value.</param>
/// <param name="ref">The value to bind to.</param>
/// <returns><c>true</c> if the binding succeeds, <c>false</c> otherwise.</returns>
template<typename key_type, typename _t>
CASABLANCA_DEPRECATED("This API is deprecated and will be removed in a future release, std::istringstream instead.")
bool bind(const key_type &text, _t &ref) // const
{
    utility::istringstream_t iss(text);
    iss >> ref;
    if (iss.fail() || !iss.eof())
    {
        return false;
    }

    return true;
}

/// <summary>
/// Binds an individual reference to a string value.
/// This specialization is need because <c>istringstream::&gt;&gt;</c> delimits on whitespace.
/// </summary>
/// <typeparam name="key_type">The type of the string value.</typeparam>
/// <param name="text">The string value.</param>
/// <param name="ref">The value to bind to.</param>
/// <returns><c>true</c> if the binding succeeds, <c>false</c> otherwise.</returns>
template <typename key_type>
CASABLANCA_DEPRECATED("This API is deprecated and will be removed in a future release.")
bool bind(const key_type &text, utility::string_t &ref) //const
{
    ref = text;
    return true;
}

/// <summary>
/// Represents HTTP headers, acts like a map.
/// </summary>
class http_headers
{
public:
    /// Function object to perform case insensitive comparison of wstrings.
    struct _case_insensitive_cmp
    {
        bool operator()(const utility::string_t &str1, const utility::string_t &str2) const
        {
#ifdef _WIN32
            return _wcsicmp(str1.c_str(), str2.c_str()) < 0;
#else
            return utility::cmp::icmp(str1, str2) < 0;
#endif
        }
    };

    /// <summary>
    /// STL-style typedefs
    /// </summary>
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::key_type key_type;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::key_compare key_compare;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::allocator_type allocator_type;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::size_type size_type;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::difference_type difference_type;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::pointer pointer;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::const_pointer const_pointer;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::reference reference;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::const_reference const_reference;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::iterator iterator;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::const_iterator const_iterator;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::reverse_iterator reverse_iterator;
    typedef std::map<utility::string_t, utility::string_t, _case_insensitive_cmp>::const_reverse_iterator const_reverse_iterator;

    /// <summary>
    /// Constructs an empty set of HTTP headers.
    /// </summary>
    http_headers() {}

    /// <summary>
    /// Copy constructor.
    /// </summary>
    /// <param name="other">An <c>http_headers</c> object to copy from.</param>
    http_headers(const http_headers &other) : m_headers(other.m_headers) {}

    /// <summary>
    /// Assignment operator.
    /// </summary>
    /// <param name="other">An <c>http_headers</c> object to copy from.</param>
    http_headers &operator=(const http_headers &other)
    {
        if(this != &other)
        {
            m_headers = other.m_headers;
        }
        return *this;
    }

    /// <summary>
    /// Move constructor.
    /// </summary>
    /// <param name="other">An <c>http_headers</c> object to move.</param>
    http_headers(http_headers &&other) : m_headers(std::move(other.m_headers)) {}

    /// <summary>
    /// Move assignment operator.
    /// </summary>
    /// <param name="other">An <c>http_headers</c> object to move.</param>
    http_headers &operator=(http_headers &&other)
    {
        if(this != &other)
        {
            m_headers = std::move(other.m_headers);
        }
        return *this;
    }

    /// <summary>
    /// Adds a header field using the '&lt;&lt;' operator.
    /// </summary>
    /// <param name="name">The name of the header field.</param>
    /// <param name="value">The value of the header field.</param>
    /// <remarks>If the header field exists, the value will be combined as comma separated string.</remarks>
    template<typename _t1>
    void add(const key_type& name, const _t1& value)
    {
        if (has(name))
        {
            m_headers[name].append(_XPLATSTR(", ")).append(utility::conversions::print_string(value));
        }
        else
        {
            m_headers[name] = utility::conversions::print_string(value);
        }
    }

    /// <summary>
    /// Removes a header field.
    /// </summary>
    /// <param name="name">The name of the header field.</param>
    void remove(const key_type& name)
    {
        m_headers.erase(name);
    }

    /// <summary>
    /// Removes all elements from the headers.
    /// </summary>
    void clear() { m_headers.clear(); }

    /// <summary>
    /// Checks if there is a header with the given key.
    /// </summary>
    /// <param name="name">The name of the header field.</param>
    /// <returns><c>true</c> if there is a header with the given name, <c>false</c> otherwise.</returns>
    bool has(const key_type& name) const { return m_headers.find(name) != m_headers.end(); }

    /// <summary>
    /// Returns the number of header fields.
    /// </summary>
    /// <returns>Number of header fields.</returns>
    size_type size() const { return m_headers.size(); }

    /// <summary>
    /// Tests to see if there are any header fields.
    /// </summary>
    /// <returns><c>true</c> if there are no headers, <c>false</c> otherwise.</returns>
    bool empty() const { return m_headers.empty(); }

    /// <summary>
    /// Returns a reference to header field with given name, if there is no header field one is inserted.
    /// </summary>
    utility::string_t & operator[](const key_type &name) { return m_headers[name]; }

    /// <summary>
    /// Checks if a header field exists with given name and returns an iterator if found. Otherwise
    /// and iterator to end is returned.
    /// </summary>
    /// <param name="name">The name of the header field.</param>
    /// <returns>An iterator to where the HTTP header is found.</returns>
    iterator find(const key_type &name) { return m_headers.find(name); }
    const_iterator find(const key_type &name) const { return m_headers.find(name); }

    /// <summary>
    /// Attempts to match a header field with the given name using the '>>' operator.
    /// </summary>
    /// <param name="name">The name of the header field.</param>
    /// <param name="value">The value of the header field.</param>
    /// <returns><c>true</c> if header field was found and successfully stored in value parameter.</returns>
    template<typename _t1>
    bool match(const key_type &name, _t1 &value) const
    {
        auto iter = m_headers.find(name);
        if (iter != m_headers.end())
        {
            // Check to see if doesn't have a value.
            if(iter->second.empty())
            {
                bind_impl(iter->second, value);
                return true;
            }
            return bind_impl(iter->second, value);
        }
        else
        {
            return false;
        }
    }

    /// <summary>
    /// Returns an iterator referring to the first header field.
    /// </summary>
    /// <returns>An iterator to the beginning of the HTTP headers</returns>
    iterator begin() { return m_headers.begin(); }
    const_iterator begin() const { return m_headers.begin(); }

    /// <summary>
    /// Returns an iterator referring to the past-the-end header field.
    /// </summary>
    /// <returns>An iterator to the element past the end of the HTTP headers.</returns>
    iterator end() { return m_headers.end(); }
    const_iterator end() const { return m_headers.end(); }

    /// <summary>
    /// Gets the content length of the message.
    /// </summary>
    /// <returns>The length of the content.</returns>
    _ASYNCRTIMP utility::size64_t content_length() const;

    /// <summary>
    /// Sets the content length of the message.
    /// </summary>
    /// <param name="length">The length of the content.</param>
    _ASYNCRTIMP void set_content_length(utility::size64_t length);

    /// <summary>
    /// Gets the content type of the message.
    /// </summary>
    /// <returns>The content type of the body.</returns>
    _ASYNCRTIMP utility::string_t content_type() const;

    /// <summary>
    /// Sets the content type of the message.
    /// </summary>
    /// <param name="type">The content type of the body.</param>
    _ASYNCRTIMP void set_content_type(utility::string_t type);

    /// <summary>
    /// Gets the cache control header of the message.
    /// </summary>
    /// <returns>The cache control header value.</returns>
    _ASYNCRTIMP utility::string_t cache_control() const;

    /// <summary>
    /// Sets the cache control header of the message.
    /// </summary>
    /// <param name="control">The cache control header value.</param>
    _ASYNCRTIMP void set_cache_control(utility::string_t control);

    /// <summary>
    /// Gets the date header of the message.
    /// </summary>
    /// <returns>The date header value.</returns>
    _ASYNCRTIMP utility::string_t date() const;

    /// <summary>
    /// Sets the date header of the message.
    /// </summary>
    /// <param name="date">The date header value.</param>
    _ASYNCRTIMP void set_date(const utility::datetime& date);

private:

    template<typename _t>
    bool bind_impl(const key_type &text, _t &ref) const
    {
        utility::istringstream_t iss(text);
        iss.imbue(std::locale::classic());
        iss >> ref;
        if (iss.fail() || !iss.eof())
        {
            return false;
        }

        return true;
    }

    bool bind_impl(const key_type &text, ::utility::string_t &ref) const
    {
        ref = text;
        return true;
    }

    // Headers are stored in a map with case insensitive key.
    std::map<utility::string_t, utility::string_t, _case_insensitive_cmp> m_headers;
};

namespace details {

    /// <summary>
    /// Serialize the http_headers into name:value pairs separated by a carriage return and line feed.
    /// </summary>
    utility::string_t flatten_http_headers(const http_headers &headers);
#if defined(_WIN32)
    /// <summary>
    /// Parses a string containing Http headers.
    /// </summary>
    void parse_headers_string(_Inout_z_ utf16char *headersStr, http_headers &headers);
#endif
}

}}