diff options
Diffstat (limited to 'src/manager/lib/request.c')
-rw-r--r-- | src/manager/lib/request.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/src/manager/lib/request.c b/src/manager/lib/request.c new file mode 100644 index 000000000..4623b3860 --- /dev/null +++ b/src/manager/lib/request.c @@ -0,0 +1,305 @@ +/** + * @file request.c + * + * @brief Implementation of request_t. + * + */ + +/* + * Copyright (C) 2007 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +#define _GNU_SOURCE + +#include "request.h" + +#include <library.h> +#include <stdlib.h> +#include <string.h> +#include <ClearSilver/ClearSilver.h> + +typedef struct private_request_t private_request_t; + +/** + * private data of the task manager + */ +struct private_request_t { + + /** + * public functions + */ + request_t public; + + /** + * FastCGI request object + */ + FCGX_Request *req; + + /** + * ClearSilver CGI Kit context + */ + CGI *cgi; + + /** + * ClearSilver HDF dataset for this request + */ + HDF *hdf; +}; + +/** + * thread specific FCGX_Request, used for ClearSilver cgiwrap callbacks. + * ClearSilver cgiwrap is not threadsave, so we use a private + * context for each thread. + */ +static __thread FCGX_Request *req; + +/** + * length of param list in req->envp + */ +static __thread int req_env_len; + +/** + * fcgiwrap read callback + */ +static int read_cb(void *null, char *buf, int size) +{ + return FCGX_GetStr(buf, size, req->in); +} + +/** + * fcgiwrap writef callback + */ +static int writef_cb(void *null, const char *format, va_list args) +{ + FCGX_VFPrintF(req->out, format, args); + return 0; +} +/** + * fcgiwrap write callback + */ +static int write_cb(void *null, const char *buf, int size) +{ + return FCGX_PutStr(buf, size, req->out); +} + +/** + * fcgiwrap getenv callback + */ +static char *getenv_cb(void *null, const char *key) +{ + char *value; + + value = FCGX_GetParam(key, req->envp); + return value ? strdup(value) : NULL; +} + +/** + * fcgiwrap getenv callback + */ +static int putenv_cb(void *null, const char *key, const char *value) +{ + /* not supported */ + return 1; +} + +/** + * fcgiwrap iterenv callback + */ +static int iterenv_cb(void *null, int num, char **key, char **value) +{ + *key = NULL; + *value = NULL; + + if (num < req_env_len) + { + char *eq; + + eq = strchr(req->envp[num], '='); + if (eq) + { + *key = strndup(req->envp[num], eq - req->envp[num]); + *value = strdup(eq + 1); + } + if (*key == NULL || *value == NULL) + { + free(*key); + free(*value); + return 1; + } + } + return 0; +} + +/** + * Implementation of request_t.get_cookie. + */ +static char* get_cookie(private_request_t *this, char *name) +{ + return hdf_get_valuef(this->hdf, "Cookie.%s", name); +} + +/** + * Implementation of request_t.get_path. + */ +static char* get_path(private_request_t *this) +{ + char * path = FCGX_GetParam("PATH_INFO", this->req->envp); + return path ? path : ""; +} + +/** + * Implementation of request_t.get_post_data. + */ +static char* get_query_data(private_request_t *this, char *name) +{ + return hdf_get_valuef(this->hdf, "Query.%s", name); +} + +/** + * Implementation of request_t.add_cookie. + */ +static void add_cookie(private_request_t *this, char *name, char *value) +{ + cgi_cookie_set (this->cgi, name, value, + FCGX_GetParam("SCRIPT_NAME", this->req->envp), + NULL, NULL, 0, 0); +} + +/** + * Implementation of request_t.redirect. + */ +static void redirect(private_request_t *this, char *location) +{ + FCGX_FPrintF(this->req->out, "Status: 303 See Other\n"); + FCGX_FPrintF(this->req->out, "Location: %s%s%s\n\n", + FCGX_GetParam("SCRIPT_NAME", this->req->envp), + *location == '/' ? "" : "/", location); +} + +/** + * Implementation of request_t.get_base. + */ +static char* get_base(private_request_t *this) +{ + return FCGX_GetParam("SCRIPT_NAME", this->req->envp); +} + +/** + * Implementation of request_t.render. + */ +static void render(private_request_t *this, char *template) +{ + NEOERR* err; + + err = cgi_display(this->cgi, template); + if (err) + { + cgi_neo_error(this->cgi, err); + nerr_log_error(err); + } + return; +} + +/** + * Implementation of request_t.set. + */ +static void set(private_request_t *this, char *key, char *value) +{ + hdf_set_value(this->hdf, key, value); +} + +/** + * Implementation of request_t.setf. + */ +static void setf(private_request_t *this, char *format, ...) +{ + va_list args; + + va_start(args, format); + hdf_set_valuevf(this->hdf, format, args); + va_end(args); +} + +/** + * Implementation of request_t.destroy + */ +static void destroy(private_request_t *this) +{ + cgi_destroy(&this->cgi); + free(this); +} + +/* + * see header file + */ +request_t *request_create(FCGX_Request *request, bool debug) +{ + NEOERR* err; + static bool initialized = FALSE; + private_request_t *this = malloc_thing(private_request_t); + + this->public.get_path = (char*(*)(request_t*))get_path; + this->public.get_base = (char*(*)(request_t*))get_base; + this->public.add_cookie = (void(*)(request_t*, char *name, char *value))add_cookie; + this->public.get_cookie = (char*(*)(request_t*,char*))get_cookie; + this->public.get_query_data = (char*(*)(request_t*, char *name))get_query_data; + this->public.redirect = (void(*)(request_t*, char *location))redirect; + this->public.render = (void(*)(request_t*,char*))render; + this->public.set = (void(*)(request_t*, char *, char*))set; + this->public.setf = (void(*)(request_t*, char *format, ...))setf; + this->public.destroy = (void(*)(request_t*))destroy; + + if (!initialized) + { + cgiwrap_init_emu(NULL, read_cb, writef_cb, write_cb, + getenv_cb, putenv_cb, iterenv_cb); + initialized = TRUE; + } + + this->req = request; + req = request; + req_env_len = 0; + while (req->envp[req_env_len] != NULL) + { + req_env_len++; + } + + err = hdf_init(&this->hdf); + if (!err) + { + hdf_set_value(this->hdf, "base", get_base(this)); + hdf_set_value(this->hdf, "Config.NoCache", "true"); + if (!debug) + { + hdf_set_value(this->hdf, "Config.TimeFooter", "0"); + hdf_set_value(this->hdf, "Config.CompressionEnabled", "1"); + hdf_set_value(this->hdf, "Config.WhiteSpaceStrip", "2"); + } + + err = cgi_init(&this->cgi, this->hdf); + if (!err) + { + err = cgi_parse(this->cgi); + if (!err) + { + return &this->public; + } + cgi_destroy(&this->cgi); + } + } + nerr_log_error(err); + free(this); + return NULL; +} + |