eg/c/testapreq/mod_testapreq.c - apreq - Git at Google

 /*  Copyright 2000-2004  The Apache Software Foundation
 **
 **  Licensed under the Apache License, Version 2.0 (the "License");
 **  you may not use this file except in compliance with the License.
 **  You may obtain a copy of the License at
 **
 **      http://www.apache.org/licenses/LICENSE-2.0
 **
 **  Unless required by applicable law or agreed to in writing, software
 **  distributed under the License is distributed on an "AS IS" BASIS,
 **  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 **  See the License for the specific language governing permissions and
 **  limitations under the License.
 */

 #include "apache_request.h"
 #include "apache_cookie.h"

 module MODULE_VAR_EXPORT testapreq_module;

 static void util_start_html(request_rec *r, char *title)
 {
    ap_rputs("<HTML>\n", r);
    ap_rputs("<HEADER>\n", r);
    ap_rprintf(r, "<TITLE>%s</TITLE>\n", title);
    ap_rputs("</HEADER>\n", r);
    ap_rputs("<BODY>\n", r);
 }

 static void util_end_html(request_rec *r)
 {
     ap_rputs("</BODY></HTML>\n", r);
 }

 static void util_start_form(request_rec *r, char *type)
 {
     ap_rprintf(r, "<FORM METHOD=\"POST\"  ENCTYPE=\"%s\">\n",
 	       type ? type : DEFAULT_ENCTYPE);
 }

 static void util_end_form(request_rec *r)
 {
     ap_rputs("</FORM>\n", r);
 }

 static void util_submit(request_rec *r, char *name)
 {
     ap_rprintf(r, "<INPUT TYPE=\"submit\" NAME=\"%s\">\n",
 	       name ? name : ".submit");
 }

 static void util_textfield(request_rec *r, char *key, char *val)
 {
     ap_rprintf(r, "<INPUT TYPE=\"text\" NAME=\"%s\" VALUE=\"%s\">\n", key, val);
 }

 static void util_filefield(request_rec *r, char *key, char *val)
 {
     ap_rprintf(r, "<INPUT TYPE=\"file\" NAME=\"%s\" VALUE=\"%s\">\n", key, val);
 }

 static int util_isa_default(char *wanted, char **list)
 {
     int i;
     for(i=0; list[i]; i++) {
 	if(strEQ(wanted, list[i]))
 	    return 1;
     }
     return 0;
 }

 static void util_checkbox_group(request_rec *r, char *name, char **values, char **defaults)
 {
     int i;
     for (i=0; values[i]; i++) {
 	ap_rprintf(r,
 		   "<INPUT TYPE=\"checkbox\" NAME=\"%s\" VALUE=\"%s\" %s>%s\n",
 		   name, values[i],
 		   util_isa_default(values[i], defaults) ?
 		   "CHECKED" : "", values[i]);
     }
 }

 static void util_popup_menu(request_rec *r, char *name, char **values)
 {
     int i;
     ap_rprintf(r, "<SELECT NAME=\"%s\">\n", name);
     for (i=0; values[i]; i++)
 	ap_rprintf(r, "<OPTION  VALUE=\"%s\">%s\n", values[i], values[i]);
     ap_rputs("</SELECT>\n", r);
 }

 #define P_SEP ap_rputs("<P>", r)

 static char *checkbox_combo[] = {
     "eenie","meenie","minie","moe",NULL
 };

 static char *checkbox_combo_defaults[] = {
     "eenie","minie",NULL
 };

 static char *popup_menu_colors[] = {
     "red","green","blue","chartreuse",NULL
 };

 /*
  * <Location /apreq-form-test>
  * SetHandler apreq-form
  * </Location>
  */
 static int form_handler(request_rec *r) {
     ApacheRequest *req = ApacheRequest_new(r);
     int status = ApacheRequest_parse(req);

     if (status != OK) {
 	return status;
     }

     r->content_type = "text/html";
     ap_send_http_header(r);

     util_start_html(r, "Hello");
     util_start_form(r, NULL);
     ap_rputs("What's your name? ", r);
     util_textfield(r, "name", "");
     P_SEP;
     ap_rputs("What's the combination?", r);
     P_SEP;
     util_checkbox_group(r, "words",
 			checkbox_combo, checkbox_combo_defaults);
     P_SEP;
     ap_rputs("What's your favorite color? ", r);
     util_popup_menu(r, "color", popup_menu_colors);
     P_SEP;
     util_submit(r, NULL);
     util_end_form(r);
     P_SEP;

     if(r->method_number == M_POST) {
         ap_rprintf(r, "Your name is: %s",
 		   ApacheRequest_param(req, "name"));
         P_SEP;
         ap_rprintf(r, "The keywords are: %s",
 		   ApacheRequest_params_as_string(req, "words"));
 	P_SEP;
         ap_rprintf(r, "Your favorite color is: %s",
 		   ApacheRequest_param(req, "color"));
    }

    util_end_html(r);
    return OK;
 }

 static int upload_handler(request_rec *r) {
     ApacheRequest *req = ApacheRequest_new(r);
     int status = ApacheRequest_parse(req);

     if (status != OK) {
 	return status;
     }

     r->content_type = "text/html";
     ap_send_http_header(r);

     util_start_html(r, "Upload test");
     util_start_form(r, "multipart/form-data");
     ap_rputs("Select File: ", r);
     util_filefield(r, "filename", "");
     P_SEP;
     util_submit(r, NULL);
     util_end_form(r);

     if(r->method_number == M_POST) {
 	char buf[IOBUFSIZE];
 	ap_rprintf(r, "Filename: %s (%d)",
 		   ApacheRequest_param(req, "filename"),
 		   (int)req->upload->size);
 	P_SEP;
 	while(fgets(buf, sizeof(buf), req->upload->fp)) {
 	    ap_rputs(buf, r);
 	}
     }

     util_end_html(r);
     return OK;
 }

 static int cookie_handler(request_rec *r) {
     ApacheCookieJar *cookies = ApacheCookie_parse(r, NULL);

     r->content_type = "text/html";

     if (ApacheCookieJarItems(cookies)) {
 	int i;

 	ap_send_http_header(r);
 	util_start_html(r, "Cookie test");
 	for (i=0; i<ApacheCookieJarItems(cookies); i++) {
 	    ApacheCookie *c = ApacheCookieJarFetch(cookies, i);
 	    ap_rprintf(r, "%s => %s\n",
 		       c->name, ApacheCookie_as_string(c));
 	    P_SEP;
 	}
     }
     else {
 	ApacheCookie *apc = ApacheCookie_new(r,
 					     "-name", "test",
 					     "-value", "foo",
 					     NULL);
 	ApacheCookie_expires(apc, "+1m");
 	ApacheCookie_bake(apc);
 	ap_send_http_header(r);
 	util_start_html(r, "Cookie test");
 	ap_rputs("No cookies in the jar", r);
     }
     util_end_html(r);
     return OK;
 }

 static handler_rec testapreq_handlers[] =
 {
     {"apreq-form", form_handler},
     {"apreq-upload", upload_handler},
     {"apreq-cookie", cookie_handler},
     {NULL}
 };

 module MODULE_VAR_EXPORT testapreq_module =
 {
     STANDARD_MODULE_STUFF,
     NULL,               /* module initializer                 */
     NULL,               /* per-directory config creator       */
     NULL,               /* dir config merger                  */
     NULL,               /* server config creator              */
     NULL,               /* server config merger               */
     NULL,               /* command table                      */
     testapreq_handlers, /* [7]  content handlers              */
     NULL,               /* [2]  URI-to-filename translation   */
     NULL,               /* [5]  check/validate user_id        */
     NULL,               /* [6]  check user_id is valid *here* */
     NULL,               /* [4]  check access by host address  */
     NULL,               /* [7]  MIME type checker/setter      */
     NULL,               /* [8]  fixups                        */
     NULL,               /* [9]  logger                        */
     NULL,               /* [3]  header parser                 */
     NULL,               /* process initialization             */
     NULL,               /* process exit/cleanup               */
     NULL                /* [1]  post read_request handling    */
 };
	/* Copyright 2000-2004 The Apache Software Foundation
	**
	** Licensed under the Apache License, Version 2.0 (the "License");
	** you may not use this file except in compliance with the License.
	** You may obtain a copy of the License at
	**
	** http://www.apache.org/licenses/LICENSE-2.0
	**
	** Unless required by applicable law or agreed to in writing, software
	** distributed under the License is distributed on an "AS IS" BASIS,
	** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	** See the License for the specific language governing permissions and
	** limitations under the License.
	*/

	#include "apache_request.h"
	#include "apache_cookie.h"

	module MODULE_VAR_EXPORT testapreq_module;

	static void util_start_html(request_rec r, char title)
	{
	ap_rputs("<HTML>\n", r);
	ap_rputs("<HEADER>\n", r);
	ap_rprintf(r, "<TITLE>%s</TITLE>\n", title);
	ap_rputs("</HEADER>\n", r);
	ap_rputs("<BODY>\n", r);
	}

	static void util_end_html(request_rec *r)
	{
	ap_rputs("</BODY></HTML>\n", r);
	}

	static void util_start_form(request_rec r, char type)
	{
	ap_rprintf(r, "<FORM METHOD=\"POST\" ENCTYPE=\"%s\">\n",
	type ? type : DEFAULT_ENCTYPE);
	}

	static void util_end_form(request_rec *r)
	{
	ap_rputs("</FORM>\n", r);
	}

	static void util_submit(request_rec r, char name)
	{
	ap_rprintf(r, "<INPUT TYPE=\"submit\" NAME=\"%s\">\n",
	name ? name : ".submit");
	}

	static void util_textfield(request_rec r, char key, char *val)
	{
	ap_rprintf(r, "<INPUT TYPE=\"text\" NAME=\"%s\" VALUE=\"%s\">\n", key, val);
	}

	static void util_filefield(request_rec r, char key, char *val)
	{
	ap_rprintf(r, "<INPUT TYPE=\"file\" NAME=\"%s\" VALUE=\"%s\">\n", key, val);
	}

	static int util_isa_default(char wanted, char *list)
	{
	int i;
	for(i=0; list[i]; i++) {
	if(strEQ(wanted, list[i]))
	return 1;
	}
	return 0;
	}

	static void util_checkbox_group(request_rec r, char name, char values, char defaults)
	{
	int i;
	for (i=0; values[i]; i++) {
	ap_rprintf(r,
	"<INPUT TYPE=\"checkbox\" NAME=\"%s\" VALUE=\"%s\" %s>%s\n",
	name, values[i],
	util_isa_default(values[i], defaults) ?
	"CHECKED" : "", values[i]);
	}
	}

	static void util_popup_menu(request_rec r, char name, char **values)
	{
	int i;
	ap_rprintf(r, "<SELECT NAME=\"%s\">\n", name);
	for (i=0; values[i]; i++)
	ap_rprintf(r, "<OPTION VALUE=\"%s\">%s\n", values[i], values[i]);
	ap_rputs("</SELECT>\n", r);
	}

	#define P_SEP ap_rputs("<P>", r)

	static char *checkbox_combo[] = {
	"eenie","meenie","minie","moe",NULL
	};

	static char *checkbox_combo_defaults[] = {
	"eenie","minie",NULL
	};

	static char *popup_menu_colors[] = {
	"red","green","blue","chartreuse",NULL
	};

	/*
	* <Location /apreq-form-test>
	* SetHandler apreq-form
	* </Location>
	*/
	static int form_handler(request_rec *r) {
	ApacheRequest *req = ApacheRequest_new(r);
	int status = ApacheRequest_parse(req);

	if (status != OK) {
	return status;
	}

	r->content_type = "text/html";
	ap_send_http_header(r);

	util_start_html(r, "Hello");
	util_start_form(r, NULL);
	ap_rputs("What's your name? ", r);
	util_textfield(r, "name", "");
	P_SEP;
	ap_rputs("What's the combination?", r);
	P_SEP;
	util_checkbox_group(r, "words",
	checkbox_combo, checkbox_combo_defaults);
	P_SEP;
	ap_rputs("What's your favorite color? ", r);
	util_popup_menu(r, "color", popup_menu_colors);
	P_SEP;
	util_submit(r, NULL);
	util_end_form(r);
	P_SEP;

	if(r->method_number == M_POST) {
	ap_rprintf(r, "Your name is: %s",
	ApacheRequest_param(req, "name"));
	P_SEP;
	ap_rprintf(r, "The keywords are: %s",
	ApacheRequest_params_as_string(req, "words"));
	P_SEP;
	ap_rprintf(r, "Your favorite color is: %s",
	ApacheRequest_param(req, "color"));
	}

	util_end_html(r);
	return OK;
	}

	static int upload_handler(request_rec *r) {
	ApacheRequest *req = ApacheRequest_new(r);
	int status = ApacheRequest_parse(req);

	if (status != OK) {
	return status;
	}

	r->content_type = "text/html";
	ap_send_http_header(r);

	util_start_html(r, "Upload test");
	util_start_form(r, "multipart/form-data");
	ap_rputs("Select File: ", r);
	util_filefield(r, "filename", "");
	P_SEP;
	util_submit(r, NULL);
	util_end_form(r);

	if(r->method_number == M_POST) {
	char buf[IOBUFSIZE];
	ap_rprintf(r, "Filename: %s (%d)",
	ApacheRequest_param(req, "filename"),
	(int)req->upload->size);
	P_SEP;
	while(fgets(buf, sizeof(buf), req->upload->fp)) {
	ap_rputs(buf, r);
	}
	}

	util_end_html(r);
	return OK;
	}

	static int cookie_handler(request_rec *r) {
	ApacheCookieJar *cookies = ApacheCookie_parse(r, NULL);

	r->content_type = "text/html";

	if (ApacheCookieJarItems(cookies)) {
	int i;

	ap_send_http_header(r);
	util_start_html(r, "Cookie test");
	for (i=0; i<ApacheCookieJarItems(cookies); i++) {
	ApacheCookie *c = ApacheCookieJarFetch(cookies, i);
	ap_rprintf(r, "%s => %s\n",
	c->name, ApacheCookie_as_string(c));
	P_SEP;
	}
	}
	else {
	ApacheCookie *apc = ApacheCookie_new(r,
	"-name", "test",
	"-value", "foo",
	NULL);
	ApacheCookie_expires(apc, "+1m");
	ApacheCookie_bake(apc);
	ap_send_http_header(r);
	util_start_html(r, "Cookie test");
	ap_rputs("No cookies in the jar", r);
	}
	util_end_html(r);
	return OK;
	}

	static handler_rec testapreq_handlers[] =
	{
	{"apreq-form", form_handler},
	{"apreq-upload", upload_handler},
	{"apreq-cookie", cookie_handler},
	{NULL}
	};

	module MODULE_VAR_EXPORT testapreq_module =
	{
	STANDARD_MODULE_STUFF,
	NULL, /* module initializer */
	NULL, /* per-directory config creator */
	NULL, /* dir config merger */
	NULL, /* server config creator */
	NULL, /* server config merger */
	NULL, /* command table */
	testapreq_handlers, /* [7] content handlers */
	NULL, /* [2] URI-to-filename translation */
	NULL, /* [5] check/validate user_id */
	NULL, /* [6] check user_id is valid here */
	NULL, /* [4] check access by host address */
	NULL, /* [7] MIME type checker/setter */
	NULL, /* [8] fixups */
	NULL, /* [9] logger */
	NULL, /* [3] header parser */
	NULL, /* process initialization */
	NULL, /* process exit/cleanup */
	NULL /* [1] post read_request handling */
	};