imap/src/c-client/http.h

   1 /*
   2  * Copyright 2018 Eduardo Chappa
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Last Edited: July 23, 2018 Eduardo Chappa <chappa@washington.edu>
  11  *
  12  */
  13
  14 typedef struct http_val_param_s {
  15   char *value;
  16   PARAMETER *plist;
  17 } HTTP_VAL_PARAM_S;
  18
  19 typedef struct http_param_list_s {
  20   HTTP_VAL_PARAM_S *vp;
  21   struct http_param_list_s *next;
  22 } HTTP_PARAM_LIST_S;
  23
  24 typedef struct http_header_value_s {
  25   unsigned char *data;
  26   HTTP_PARAM_LIST_S *p;
  27 } HTTP_HEADER_S;
  28
  29 typedef struct http_header_data_s {
  30   HTTP_HEADER_S *accept,                /* RFC 7231, Section 5.3.2 */
  31                 *accept_charset,        /* RFC 7231, Section 5.3.3 */
  32                 *accept_encoding,       /* RFC 7231, Section 5.3.4 */
  33                 *accept_language,       /* RFC 7231, Section 5.3.5 */
  34                 *accept_ranges,         /* RFC 7233, Section 2.3 */
  35                 *age,                   /* RFC 7234, Section 5.1 */
  36                 *allow,                 /* RFC 7231, Section 7.4.1 */
  37                 *cache_control,         /* RFC 7234, Section 5.2 */
  38                 *connection,            /* RFC 7230, Section 6.1 */
  39                 *content_disposition,   /* RFC 6266 */
  40                 *content_encoding,      /* RFC 7231, Section 3.1.2.2 */
  41                 *content_language,      /* RFC 7231, Section 3.1.3.2 */
  42                 *content_length,        /* RFC 7230, Section 3.3.2 */
  43                 *content_location,      /* RFC 7231, Section 3.1.4.2 */
  44                 *content_type,          /* RFC 7231, Section 3.1.1.5 */
  45                 *date,                  /* RFC 7231, Section 7.1.1.2 */
  46                 *etag,                  /* RFC 7232, Section 2.3 */
  47                 *expect,                /* RFC 7231, Section 5.1.1 */
  48                 *expires,               /* RFC 7234, Section 5.3 */
  49                 *from,                  /* RFC 7231, Section 5.5.1 */
  50                 *host,                  /* RFC 7230, Section 5.4 */
  51                 *last_modified,         /* RFC 7232, Section 2.2 */
  52                 *location,              /* RFC 7231, Section 7.1.2 */
  53                 *max_forwards,          /* RFC 7231, Section 5.1.2  */
  54                 *mime_version,          /* RFC 7231, Appendix A.1 */
  55                 *pragma,                /* RFC 7234, Section 5.4 */
  56                 *proxy_authenticate,    /* RFC 7235, Section 4.3 */
  57                 *referer,               /* RFC 7231, Section 5.5.2 */
  58                 *retry_after,           /* RFC 7231, Section 7.1.3 */
  59                 *server,                /* RFC 7231, Section 7.4.2 */
  60                 *user_agent,            /* RFC 7231, Section 5.5.3 */
  61                 *te,                    /* RFC 7230, Section 4.3 */
  62                 *trailer,               /* RFC 7230, Section 4.4 */
  63                 *transfer_encoding,     /* RFC 7230, Section 3.3.1 */
  64                 *upgrade,               /* RFC 7230, Section 6.7 */
  65                 *via,                   /* RFC 7230, Section 5.7.1 */
  66                 *vary,                  /* RFC 7231, Section 7.1.4 */
  67                 *warning,               /* RFC 7234, Section 5.5 */
  68                 *www_authenticate;      /* RFC 7235, Section 4.1 */
  69 } HTTP_HEADER_DATA_S;
  70
  71 #define HTTP_MIME_URLENCODED    "application/x-www-form-urlencoded"
  72
  73 #define HTTP_1_1_VERSION        "HTTP/1.1"
  74 #define HTTP_OK                 200
  75 #define HTTP_BAD                400
  76
  77 #define GET_HTTPPORT (long) 490
  78 #define SET_HTTPPORT (long) 491
  79 #define GET_SSLHTTPPORT (long) 492
  80 #define SET_SSLHTTPPORT (long) 493
  81
  82 typedef struct http_status_s {
  83   char *version;
  84   int   code;
  85   char *text;
  86 } HTTP_STATUS_S;
  87
  88
  89 typedef struct http_stream {
  90   NETSTREAM *netstream;
  91   HTTP_HEADER_DATA_S *header;   /* headers sent by the server */
  92   char *url;            /* original url */
  93   char *urlhost;        /* get original host */
  94   char *urltail;        /* the part of the URL after the original host */
  95   HTTP_STATUS_S *status;/* parsed status line from server */
  96   unsigned char *response;      /* last reply line from server */
  97   unsigned char *reply; /* the full reply from the server */
  98 } HTTPSTREAM;
  99
 100 /* parameters for a get or post call */
 101 typedef struct http_param_s {
 102    char *name;
 103    char *value;
 104 } HTTP_PARAM_S;
 105
 106 /* exported prototypes */
 107 HTTPSTREAM *http_open (unsigned char *);
 108 unsigned char *http_post_param(unsigned char *, HTTP_PARAM_S *, int *);
 109 unsigned char *http_post_param2(unsigned char *, HTTP_PARAM_S *, int *);
 110 unsigned char *http_get_param(unsigned char *, HTTP_PARAM_S *, int *);
 111 unsigned char *http_get(unsigned char *, int *);
 112 void http_close (HTTPSTREAM *stream);
 113
 114 HTTP_PARAM_S *http_param_get(int);
 115 void http_param_free(HTTP_PARAM_S **);
 116
 117 /* Ugghh.... just construct the URL for a get request */
 118 unsigned char *http_get_param_url(unsigned char *, HTTP_PARAM_S *);