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/*
* @file espProcs.c
* @brief Embedded Server Pages (ESP) Procedures.
* @overview These ESP procedures can be used in ESP pages for common tasks.
*/
/********************************* Copyright **********************************/
/*
* @copy default
*
* Copyright (c) Mbedthis Software LLC, 2003-2005. All Rights Reserved.
*
* This software is distributed under commercial and open source licenses.
* You may use the GPL open source license described below or you may acquire
* a commercial license from Mbedthis Software. You agree to be fully bound
* by the terms of either license. Consult the LICENSE.TXT distributed with
* this software for full details.
*
* This software is open source; 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 the GNU General Public License for more
* details at: http://www.mbedthis.com/downloads/gplLicense.html
*
* This program is distributed WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* This GPL license does NOT permit incorporating this software into
* proprietary programs. If you are unable to comply with the GPL, you must
* acquire a commercial license to use this software. Commercial licenses
* for this software and support services are available from Mbedthis
* Software at http://www.mbedthis.com
*
* @end
*/
/********************************** Includes **********************************/
#include "esp.h"
/************************************ Code ************************************/
#if BLD_FEATURE_ESP_MODULE
#if BLD_FEATURE_SESSION
/*
* destroySession
*/
static int destroySessionProc(EspRequest *ep, int argc, char **argv)
{
ep->esp->destroySession(ep->requestHandle);
return 0;
}
#endif /* BLD_FEATURE_SESSION */
/******************************************************************************/
/*
* include
*
* This includes javascript libraries. For example:
*
* <% include("file", ...); %>
*
* Don't confuse with ESP includes:
*
* <% include file.esp %>
*
* Filenames are relative to the base document including the file.
* FUTURE -- move back to EJS. Only here now because we need ep->readFile.
*/
static int includeProc(EspRequest *ep, int argc, char **argv)
{
const Esp *esp;
char path[MPR_MAX_FNAME], dir[MPR_MAX_FNAME];
char *emsg=NULL, *buf;
int size, i;
esp = ep->esp;
mprAssert(argv);
for (i = 0; i < argc; i++) {
const char *extension;
if (argv[i][0] != '/') {
mprGetDirName(dir, sizeof(dir), ep->docPath);
mprSprintf(path, sizeof(path), "%s/%s", dir, argv[i]);
} else {
mprSprintf(path, sizeof(path), "%s", argv[i]);
}
if (esp->readFile(ep->requestHandle, &buf, &size, path) < 0) {
espError(ep, "Can't read include file: %s", path);
return MPR_ERR_CANT_ACCESS;
}
buf[size] = '\0';
extension = strrchr(argv[i], '.');
/*
* Allow nested inclusion of ESP requests
*/
if (extension && mprStrCmpAnyCase(extension, ".esp") == 0) {
if (espProcessRequest(ep, path, buf, &emsg) != 0) {
espError(ep, "Cant evaluate script - %s", emsg?emsg:"");
mprFree(buf);
return -1;
}
} else {
if (ejsEvalScript(espGetScriptHandle(ep), buf, 0, &emsg) < 0) {
espError(ep, "Cant evaluate script - %s", emsg?emsg:"");
mprFree(buf);
return -1;
}
}
mprFree(buf);
}
return 0;
}
/******************************************************************************/
/*
* redirect
*
* This implemements <% redirect(url, code); %> command. The redirection
* code is optional.
*/
static int redirectProc(EspRequest *ep, int argc, char **argv)
{
char *url;
int code;
if (argc < 1) {
espError(ep, "Bad args");
return MPR_ERR_BAD_ARGS;
}
url = argv[0];
if (argc == 2) {
code = atoi(argv[1]);
} else {
code = 302;
}
espRedirect(ep, code, url);
return 0;
}
/******************************************************************************/
#if BLD_FEATURE_SESSION
/*
* useSession
*/
static int useSessionProc(EspRequest *ep, int argc, char **argv)
{
int timeout;
if (argc > 1) {
espError(ep, "Bad args");
return MPR_ERR_BAD_ARGS;
} else if (argc == 1) {
timeout = atoi(argv[0]);
} else {
timeout = 0;
}
ep->esp->createSession(ep->requestHandle, timeout);
espSetReturnString(ep, ep->esp->getSessionId(ep->requestHandle));
return 0;
}
#endif /* BLD_FEATURE_SESSION */
/******************************************************************************/
/*
* setHeader
*
* This implemements <% setHeader("key: value", allowMultiple); %> command.
*/
static int setHeaderProc(EspRequest *ep, int argc, char **argv)
{
mprAssert(argv);
if (argc != 2) {
espError(ep, "Bad args");
return MPR_ERR_BAD_ARGS;
}
ep->esp->setHeader(ep->requestHandle, argv[0], atoi(argv[1]));
return 0;
}
/******************************************************************************/
/*
* write
*
* This implemements <% write("text"); %> command.
*/
static int writeProc(EspRequest *ep, int argc, char **argv)
{
char *s;
int i, len;
mprAssert(argv);
for (i = 0; i < argc; i++) {
s = argv[i];
len = strlen(s);
if (len > 0) {
if (espWrite(ep, s, len) != len) {
espError(ep, "Can't write to client");
return -1;
}
}
}
return 0;
}
/******************************************************************************/
void espRegisterProcs()
{
espDefineStringCFunction(0, "write", writeProc, 0);
espDefineStringCFunction(0, "setHeader", setHeaderProc, 0);
espDefineStringCFunction(0, "redirect", redirectProc, 0);
espDefineStringCFunction(0, "include", includeProc, 0);
#if BLD_FEATURE_SESSION
/*
* Create and use are synonomous
*/
espDefineStringCFunction(0, "useSession", useSessionProc, 0);
espDefineStringCFunction(0, "createSession", useSessionProc, 0);
espDefineStringCFunction(0, "destroySession", destroySessionProc, 0);
#endif
}
/******************************************************************************/
#else
void mprEspControlsDummy() {}
#endif /* BLD_FEATURE_ESP_MODULE */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim:tw=78
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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