/*    WebDAV / HTTP authoring client routines,   Copyright (C) 1998, Joe Orton <joe@orton.demon.co.uk>                                                                        This program is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2 of the License, or   (at your option) any later version.     This program is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   GNU General Public License for more details.     You should have received a copy of the GNU General Public License   along with this program; if not, write to the Free Software   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/#ifndef HTTPDAV_H#define HTTPDAV_H/* For fetch_list */#include "protocol.h"extern char http_error[];/* Set by http_options to true if server is a WebDAV class 1 server */extern bool http_webdav_server;/* Set to false to bypass http_init OPTIONS check */extern bool http_init_checks;/* Set to disable 100-continue support. */extern bool http_disable_expect;/* Set to limit the number of requests per connection */extern bool http_conn_limit;#define REQSIZ 2048typedef enum {    http_body_buffer,    http_body_file,    http_body_none} http_body_t;/* The transfer encoding types */enum http_te_t {    /* TODO: Support other types */    http_te_none,    http_te_chunked,    http_te_unknown};/* This is called with each block of the response body, if len > 0. * For the last block, it is called with len==0 */typedef void (*http_request_body_read_t) (    void *userdata,    const char *buffer,    const size_t len );/* This is called with each of the headers in the response */typedef void (*http_request_hdrs_read_t) (    const char *name,    const char *value );/* HTTP request information */typedef struct {    /* Fill in these with http_req_init */    const char *method;    char *uri;    /* Fill in these yourself */    char headers[REQSIZ];    /* Set these if you want to send a request body */    http_body_t body;    FILE *body_file;    const char *body_buffer;    /* Set this is you want to read the response headers */    http_request_hdrs_read_t hdrs_callback;    /* Set this if you want to read the response body */    http_request_body_read_t body_callback;    /* Response entity-body transfer-encoding */    enum http_te_t resp_te;    /* Response entity-body content-length */    int resp_length;    /* Bytes left to read */    int resp_left;    int resp_chunk_left;    /* If non-NULL, this will be set to the total size of the     * response body */    size_t *resp_body_size;    /* If non-NULL, passed as first parameter to body_callback */    void *body_callback_userdata;    /* We fill in these for you */    size_t body_size;    /* You use this for the status response code */    int status;    int class; /* == status/100 */} http_req_t;/* Public Interface: * Call: *    http_init( "/", "www.myhttpserver.com", 80, "myusername", "mypassword" ); * then any of the method functions, in any order *    http_put, http_delete, dav_move, dav_rmdir, dav_mkcol. * lastly: *    http_finish( ); */extern const char *http_quotes;extern const char *http_whitespace;int http_init( const char *remote_root,	       struct proto_host_t *server, struct proto_host_t *proxy );int http_finish( void );int http_head( const char *directory );int http_options( const char *directory );int http_put( const char *local, const char *remote, const bool ascii );int http_delete( const char *filename );int http_get( const char *local, const char *remote, const int remotesize,	      const bool ascii );int dav_move( const char *from, const char *to );int dav_rmdir( const char *dirname );int dav_mkcol( const char *dirname );int dav_mkref( const char *refres, const char *target );int dav_chref( const char *refres, const char *target );int dav_rmref( const char *refres );#ifdef HAVE_LIBEXPATint dav_fetch( const char *dirname, struct proto_file_t **files );#endif/* The request mechanism */int http_request( http_req_t *req );void http_request_init( http_req_t *req, const char *method, const char *uri );void http_request_end( http_req_t *req );#endif /* HTTPDAV_H */