| /* |
| * Copyright (c) 2017 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include "http_write_utils.h" |
| #include "http_types.h" |
| #include "http_utils.h" |
| |
| #include <net/nbuf.h> |
| #include <stdio.h> |
| |
| #define HTTP_STATUS_200_OK "HTTP/1.1 200 OK\r\n" \ |
| "Content-Type: text/html\r\n" \ |
| "Transfer-Encoding: chunked\r\n" \ |
| "\r\n" |
| |
| #define HTML_HEADER "<html><head>" \ |
| "<title>Zephyr HTTP Server</title>" \ |
| "</head><body><h1>" \ |
| "<center>Zephyr HTTP server</center></h1>\r\n" |
| |
| #define HTML_FOOTER "</body></html>\r\n" |
| |
| /* Prints the received HTTP header fields as an HTML list */ |
| static void print_http_headers(struct http_server_ctx *ctx, |
| char *str, uint16_t size) |
| { |
| struct http_parser *parser = &ctx->parser; |
| uint16_t offset = 0; |
| |
| offset = snprintf(str, size, |
| HTML_HEADER |
| "<h2>HTTP Header Fields</h2>\r\n<ul>\r\n"); |
| if (offset >= size) { |
| return; |
| } |
| |
| for (uint8_t i = 0; i < ctx->field_values_ctr; i++) { |
| struct http_field_value *kv = &ctx->field_values[i]; |
| |
| offset += snprintf(str + offset, size - offset, |
| "<li>%.*s: %.*s</li>\r\n", |
| kv->key_len, kv->key, |
| kv->value_len, kv->value); |
| if (offset >= size) { |
| return; |
| } |
| } |
| |
| offset += snprintf(str + offset, size - offset, "</ul>\r\n"); |
| if (offset >= size) { |
| return; |
| } |
| |
| offset += snprintf(str + offset, size - offset, |
| "<h2>HTTP Method: %s</h2>\r\n", |
| http_method_str(parser->method)); |
| if (offset >= size) { |
| return; |
| } |
| |
| offset += snprintf(str + offset, size - offset, |
| "<h2>URL: %.*s</h2>\r\n", |
| ctx->url_len, ctx->url); |
| if (offset >= size) { |
| return; |
| } |
| |
| snprintf(str + offset, size - offset, |
| "<h2>Server: %s</h2>"HTML_FOOTER, CONFIG_ARCH); |
| } |
| |
| #define HTTP_MAX_BODY_STR_SIZE 512 |
| static char html_body[HTTP_MAX_BODY_STR_SIZE]; |
| |
| int http_response_header_fields(struct http_server_ctx *ctx) |
| { |
| print_http_headers(ctx, html_body, HTTP_MAX_BODY_STR_SIZE); |
| |
| return http_response(ctx, HTTP_STATUS_200_OK, html_body); |
| } |
| |
| int http_response_it_works(struct http_server_ctx *ctx) |
| { |
| return http_response(ctx, HTTP_STATUS_200_OK, HTML_HEADER |
| "<body><h2><center>It Works!</center></h2>" |
| HTML_FOOTER); |
| } |
| |
| int http_response_soft_404(struct http_server_ctx *ctx) |
| { |
| return http_response(ctx, HTTP_STATUS_200_OK, HTML_HEADER |
| "<h2><center>404 Not Found</center></h2>" |
| HTML_FOOTER); |
| } |
