2022-03-15 21:43:53 -04:00
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/* Feel free to use this example code in any way
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you see fit (Public Domain) */
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#include <sys/types.h>
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//#ifndef _WIN32
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#include <sys/select.h>
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#include <sys/socket.h>
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//#else
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//#include <winsock2.h>
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//#endif
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#include <string.h>
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#include <microhttpd.h>
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#include <stdio.h>
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#include "web.h"
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#include "pebblisp.h"
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2022-03-19 22:25:20 -04:00
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#include "tokens.h"
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2022-03-15 21:43:53 -04:00
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2022-03-18 11:23:19 -04:00
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#ifdef _MHD_FLAGS_ENUM
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typedef enum MHD_Result HttpResult;
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#else
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typedef int HttpResult;
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#endif
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int requestDefinition = -1;
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2022-03-15 21:43:53 -04:00
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int routeCount = 0;
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struct Route routes[10];
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2022-03-19 21:28:17 -04:00
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int addRoute(struct Route route)
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{
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routes[routeCount] = route;
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routeCount += 1;
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return 0;
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2022-03-15 21:43:53 -04:00
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}
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2022-03-15 23:22:28 -04:00
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int methodMatches(const char* method, struct Route* route)
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{
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switch (route->type) {
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case GET:
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return method[0] == 'G' || method[0] == 'g';
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case POST:
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return (method[0] == 'P' || method[0] == 'p') && (method[1] == 'O' || method[1] == 'o');
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default:
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return 0;
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}
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2022-03-15 23:22:28 -04:00
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}
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2022-03-18 11:23:19 -04:00
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static HttpResult
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add_query_param(void* queryParamsV, enum MHD_ValueKind kind, const char* key,
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const char* value)
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2022-03-17 16:59:08 -04:00
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{
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(void) kind; /* Unused. Silent compiler warning. */
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Object* queryParams = queryParamsV;
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Object pair = startList(stringFromSlice(key, strlen(key)));
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Object parsed;
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if (isDigit(value[0])) {
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parsed = parseEval(value, NULL);
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} else {
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parsed = stringFromSlice(value, strlen(value));
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}
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nf_addToList(&pair, parsed);
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nf_addToList(queryParams, pair);
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return MHD_YES;
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}
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2022-03-18 11:23:19 -04:00
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static HttpResult
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answer_to_connection(void* cls, struct MHD_Connection* connection,
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const char* url, const char* method,
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const char* version, const char* upload_data,
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size_t* upload_data_size, void** con_cls)
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{
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char* page = NULL;
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printf("%s URL: '%s' :: ", method, url);
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printf("version: %s\n", version);
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printf("upload_data: %s\n", upload_data);
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for (int i = 0; i < routeCount; i++) {
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if (methodMatches(method, &routes[i]) && strcmp(url, routes[i].path) == 0) {
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Object queryParams = listObject();
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MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, add_query_param, &queryParams);
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Object res = structObject(requestDefinition);
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res.structObject->fields[0] = queryParams;
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Object route = cloneObject(routes[i].routeAction);
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Object result = listEvalLambda(&route, &res, routes[i].env);
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cleanObject(&res);
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page = result.string;
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break;
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}
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2022-03-15 21:43:53 -04:00
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}
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2022-03-18 11:23:19 -04:00
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if (!page) {
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printf("no route found!\n");
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page = "<html><body><h1>404, Dumbass.</h1></body></html>";
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}
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2022-03-15 21:43:53 -04:00
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2022-03-18 11:23:19 -04:00
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(void) cls; /* Unused. Silent compiler warning. */
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(void) url; /* Unused. Silent compiler warning. */
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(void) method; /* Unused. Silent compiler warning. */
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(void) version; /* Unused. Silent compiler warning. */
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(void) upload_data; /* Unused. Silent compiler warning. */
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(void) upload_data_size; /* Unused. Silent compiler warning. */
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(void) con_cls; /* Unused. Silent compiler warning. */
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2022-03-19 21:28:17 -04:00
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struct MHD_Response* response = MHD_create_response_from_buffer(
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strlen(page), (void*) page, MHD_RESPMEM_PERSISTENT);
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HttpResult ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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return ret;
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}
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int initialized = 0;
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2022-03-19 21:28:17 -04:00
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2022-03-18 11:23:19 -04:00
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void initialize()
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{
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if (!initialized) {
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Object o = parseEval("(struct Request (queryParams))", global());
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cleanObject(&o);
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requestDefinition = getStructIndex(global(), "Request");
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}
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initialized = 1;
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2022-03-15 21:43:53 -04:00
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}
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int start(int port)
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{
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initialize();
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struct MHD_Daemon* daemon = MHD_start_daemon(
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MHD_USE_AUTO | MHD_USE_INTERNAL_POLLING_THREAD,
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port, NULL, NULL, &answer_to_connection, NULL, MHD_OPTION_END);
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2022-03-19 21:28:17 -04:00
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if (NULL == daemon) {
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return 1;
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}
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2022-03-18 11:23:19 -04:00
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// (void) getchar();
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2022-03-15 21:43:53 -04:00
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2022-03-18 11:23:19 -04:00
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// MHD_stop_daemon(daemon);
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return 0;
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2022-03-15 21:43:53 -04:00
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}
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