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105 lines
4.8 KiB
C
105 lines
4.8 KiB
C
// Copyright (c) 2020 Cesanta Software Limited
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// All rights reserved
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//
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// HTTP server example. This server serves both static and dynamic content.
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// It opens two ports: plain HTTP on port 8000 and HTTP on port 8443.
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// It implements the following endpoints:
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// /api/stats - respond with free-formatted stats on current connections
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// /api/f2/:id - wildcard example, respond with JSON string {"result": "URI"}
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// any other URI serves static files from s_root_dir
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//
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// To enable SSL/TLS (using self-signed certificates in PEM files),
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// 1. See https://mongoose.ws/tutorials/tls/#how-to-build
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// 2. curl -k https://127.0.0.1:8443
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#include "mongoose.h"
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static const char *s_http_addr = "http://0.0.0.0:8000"; // HTTP port
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static const char *s_https_addr = "https://0.0.0.0:8443"; // HTTPS port
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static const char *s_root_dir = ".";
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// Self signed certificates
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// https://mongoose.ws/documentation/tutorials/tls/#self-signed-certificates
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#ifdef TLS_TWOWAY
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static const char *s_tls_ca =
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"-----BEGIN CERTIFICATE-----\n"
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"MIIBqjCCAU+gAwIBAgIUESoOPGqMhf9uarzblVFwzrQweMcwCgYIKoZIzj0EAwIw\n"
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"RDELMAkGA1UEBhMCSUUxDzANBgNVBAcMBkR1YmxpbjEQMA4GA1UECgwHQ2VzYW50\n"
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"YTESMBAGA1UEAwwJVGVzdCBSb290MCAXDTIwMDUwOTIxNTE0NFoYDzIwNTAwNTA5\n"
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"MjE1MTQ0WjBEMQswCQYDVQQGEwJJRTEPMA0GA1UEBwwGRHVibGluMRAwDgYDVQQK\n"
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"DAdDZXNhbnRhMRIwEAYDVQQDDAlUZXN0IFJvb3QwWTATBgcqhkjOPQIBBggqhkjO\n"
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"PQMBBwNCAAQsq9ECZiSW1xI+CVBP8VDuUehVA166sR2YsnJ5J6gbMQ1dUCH/QvLa\n"
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"dBdeU7JlQcH8hN5KEbmM9BnZxMor6ussox0wGzAMBgNVHRMEBTADAQH/MAsGA1Ud\n"
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"DwQEAwIBrjAKBggqhkjOPQQDAgNJADBGAiEAnHFsAIwGQQyRL81B04dH6d86Iq0l\n"
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"fL8OKzndegxOaB0CIQCPwSIwEGFdURDqCC0CY2dnMrUGY5ZXu3hHCojZGS7zvg==\n"
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"-----END CERTIFICATE-----\n";
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#endif
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static const char *s_tls_cert =
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"-----BEGIN CERTIFICATE-----\n"
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"MIIBhzCCASygAwIBAgIUbnMoVd8TtWH1T09dANkK2LU6IUswCgYIKoZIzj0EAwIw\n"
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"RDELMAkGA1UEBhMCSUUxDzANBgNVBAcMBkR1YmxpbjEQMA4GA1UECgwHQ2VzYW50\n"
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"YTESMBAGA1UEAwwJVGVzdCBSb290MB4XDTIwMDUwOTIxNTE0OVoXDTMwMDUwOTIx\n"
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"NTE0OVowETEPMA0GA1UEAwwGc2VydmVyMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcD\n"
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"QgAEkuBGnInDN6l06zVVQ1VcrOvH5FDu9MC6FwJc2e201P8hEpq0Q/SJS2nkbSuW\n"
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"H/wBTTBaeXN2uhlBzMUWK790KKMvMC0wCQYDVR0TBAIwADALBgNVHQ8EBAMCA6gw\n"
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"EwYDVR0lBAwwCgYIKwYBBQUHAwEwCgYIKoZIzj0EAwIDSQAwRgIhAPo6xx7LjCdZ\n"
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"QY133XvLjAgVFrlucOZHONFVQuDXZsjwAiEAzHBNligA08c5U3SySYcnkhurGg50\n"
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"BllCI0eYQ9ggp/o=\n"
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"-----END CERTIFICATE-----\n";
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static const char *s_tls_key =
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"-----BEGIN PRIVATE KEY-----\n"
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"MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQglNni0t9Dg9icgG8w\n"
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"kbfxWSS+TuNgbtNybIQXcm3NHpmhRANCAASS4EacicM3qXTrNVVDVVys68fkUO70\n"
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"wLoXAlzZ7bTU/yESmrRD9IlLaeRtK5Yf/AFNMFp5c3a6GUHMxRYrv3Qo\n"
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"-----END PRIVATE KEY-----\n";
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// We use the same event handler function for HTTP and HTTPS connections
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// fn_data is NULL for plain HTTP, and non-NULL for HTTPS
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static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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if (ev == MG_EV_ACCEPT && fn_data != NULL) {
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struct mg_tls_opts opts = {
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#ifdef TLS_TWOWAY
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.ca = mg_str(s_tls_ca),
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#endif
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.cert = mg_str(s_tls_cert),
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.key = mg_str(s_tls_key)};
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mg_tls_init(c, &opts);
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}
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if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_message *hm = (struct mg_http_message *) ev_data;
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if (mg_http_match_uri(hm, "/api/stats")) {
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// Print some statistics about currently established connections
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mg_printf(c, "HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n");
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mg_http_printf_chunk(c, "ID PROTO TYPE LOCAL REMOTE\n");
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for (struct mg_connection *t = c->mgr->conns; t != NULL; t = t->next) {
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mg_http_printf_chunk(c, "%-3lu %4s %s %M %M\n", t->id,
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t->is_udp ? "UDP" : "TCP",
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t->is_listening ? "LISTENING"
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: t->is_accepted ? "ACCEPTED "
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: "CONNECTED",
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mg_print_ip, &t->loc, mg_print_ip, &t->rem);
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}
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mg_http_printf_chunk(c, ""); // Don't forget the last empty chunk
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} else if (mg_http_match_uri(hm, "/api/f2/*")) {
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mg_http_reply(c, 200, "", "{\"result\": \"%.*s\"}\n", (int) hm->uri.len,
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hm->uri.ptr);
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} else {
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struct mg_http_serve_opts opts = {.root_dir = s_root_dir};
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mg_http_serve_dir(c, ev_data, &opts);
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}
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}
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(void) fn_data;
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}
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int main(void) {
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struct mg_mgr mgr; // Event manager
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mg_log_set(MG_LL_DEBUG); // Set log level
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mg_mgr_init(&mgr); // Initialise event manager
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mg_http_listen(&mgr, s_http_addr, fn, NULL); // Create HTTP listener
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mg_http_listen(&mgr, s_https_addr, fn, (void *) 1); // HTTPS listener
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for (;;) mg_mgr_poll(&mgr, 1000); // Infinite event loop
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mg_mgr_free(&mgr);
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return 0;
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}
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