1 // Copyright (c) 2006, Google Inc.
2 // All rights reserved.
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5 // modification, are permitted provided that the following conditions are
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28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 // HTTPUpload provides a "nice" API to send a multipart HTTP(S) POST
31 // request using wininet. It currently supports requests that contain
32 // a set of string parameters (key/value pairs), and a file to upload.
34 #ifndef COMMON_WINDOWS_HTTP_UPLOAD_H_
35 #define COMMON_WINDOWS_HTTP_UPLOAD_H_
38 // Disable exception handler warnings.
39 #pragma warning(disable : 4530)
48 namespace google_breakpad {
57 // Sends the given set of parameters, along with the contents of
58 // upload_file, as a multipart POST request to the given URL.
59 // file_part_name contains the name of the file part of the request
60 // (i.e. it corresponds to the name= attribute on an <input type="file">.
61 // Parameter names must contain only printable ASCII characters,
62 // and may not contain a quote (") character.
63 // Only HTTP(S) URLs are currently supported. Returns true on success.
64 // If the request is successful and response_body is non-NULL,
65 // the response body will be returned in response_body.
66 // If response_code is non-NULL, it will be set to the HTTP response code
67 // received (or 0 if the request failed before getting an HTTP response).
68 static bool SendRequest(const wstring &url,
69 const map<wstring, wstring> ¶meters,
70 const wstring &upload_file,
71 const wstring &file_part_name,
73 wstring *response_body,
77 class AutoInternetHandle;
79 // Retrieves the HTTP response. If NULL is passed in for response,
80 // this merely checks (via the return value) that we were successfully
81 // able to retrieve exactly as many bytes of content in the response as
82 // were specified in the Content-Length header.
83 static bool HTTPUpload::ReadResponse(HINTERNET request, wstring* response);
85 // Generates a new multipart boundary for a POST request
86 static wstring GenerateMultipartBoundary();
88 // Generates a HTTP request header for a multipart form submit.
89 static wstring GenerateRequestHeader(const wstring &boundary);
91 // Given a set of parameters, an upload filename, and a file part name,
92 // generates a multipart request body string with these parameters
93 // and minidump contents. Returns true on success.
94 static bool GenerateRequestBody(const map<wstring, wstring> ¶meters,
95 const wstring &upload_file,
96 const wstring &file_part_name,
97 const wstring &boundary,
98 string *request_body);
100 // Fills the supplied vector with the contents of filename.
101 static bool GetFileContents(const wstring &filename, vector<char> *contents);
103 // Converts a UTF8 string to UTF16.
104 static wstring UTF8ToWide(const string &utf8);
106 // Converts a UTF16 string to UTF8.
107 static string WideToUTF8(const wstring &wide);
109 // Checks that the given list of parameters has only printable
110 // ASCII characters in the parameter name, and does not contain
111 // any quote (") characters. Returns true if so.
112 static bool CheckParameters(const map<wstring, wstring> ¶meters);
114 // No instances of this class should be created.
115 // Disallow all constructors, destructors, and operator=.
117 explicit HTTPUpload(const HTTPUpload &);
118 void operator=(const HTTPUpload &);
122 } // namespace google_breakpad
126 #endif // COMMON_WINDOWS_HTTP_UPLOAD_H_