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1 /* |
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2 * http.c -- HTTP parsing and rendering |
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3 * |
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <sys/types.h> |
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20 #include <sys/stat.h> |
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21 #include <assert.h> |
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22 #include <ctype.h> |
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23 #include <limits.h> |
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24 #include <stdarg.h> |
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25 #include <stdint.h> |
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26 #include <stdio.h> |
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27 #include <stdlib.h> |
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28 #include <string.h> |
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29 #include <unistd.h> |
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30 |
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31 #include <kcgi.h> |
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32 #include <kcgihtml.h> |
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33 |
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34 #include "config.h" |
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35 #include "database.h" |
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36 #include "http.h" |
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37 #include "log.h" |
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38 #include "image.h" |
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39 #include "util.h" |
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40 |
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41 #include "page-download.h" |
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42 #include "page-image.h" |
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43 #include "page-index.h" |
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44 #include "page-new.h" |
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45 #include "page-search.h" |
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46 #include "page-static.h" |
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47 #include "page.h" |
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48 |
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49 enum page { |
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50 PAGE_INDEX, |
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51 PAGE_NEW, |
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52 PAGE_IMAGE, |
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53 PAGE_DOWNLOAD, |
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54 PAGE_SEARCH, |
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55 PAGE_STATIC, |
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56 PAGE_NUM /* Not used. */ |
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57 }; |
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58 |
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59 static const char *pages[] = { |
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60 [PAGE_INDEX] = "", |
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61 [PAGE_NEW] = "new", |
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62 [PAGE_IMAGE] = "image", |
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63 [PAGE_DOWNLOAD] = "download", |
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64 [PAGE_SEARCH] = "search", |
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65 [PAGE_STATIC] = "static" |
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66 }; |
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67 |
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68 static void (*handlers[])(struct kreq *req) = { |
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69 [PAGE_INDEX] = page_index, |
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70 [PAGE_NEW] = page_new, |
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71 [PAGE_IMAGE] = page_image, |
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72 [PAGE_DOWNLOAD] = page_download, |
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73 [PAGE_SEARCH] = page_search, |
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74 [PAGE_STATIC] = page_static |
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75 }; |
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76 |
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77 static void |
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78 process(struct kreq *req) |
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79 { |
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80 assert(req); |
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81 |
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82 log_debug("http: accessing page '%s'", req->path); |
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83 |
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84 if (req->page == PAGE_NUM) |
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85 page(req, NULL, KHTTP_404, "pages/404.html"); |
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86 else |
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87 handlers[req->page](req); |
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88 } |
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89 |
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90 void |
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91 http_fcgi_run(void) |
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92 { |
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93 struct kreq req; |
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94 struct kfcgi *fcgi; |
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95 |
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96 if (khttp_fcgi_init(&fcgi, NULL, 0, pages, PAGE_NUM, 0) != KCGI_OK) |
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97 return; |
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98 |
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99 while (khttp_fcgi_parse(fcgi, &req) == KCGI_OK) |
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100 process(&req); |
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101 |
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102 khttp_fcgi_free(fcgi); |
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103 } |
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104 |
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105 void |
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106 http_cgi_run(void) |
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107 { |
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108 struct kreq req; |
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109 |
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110 if (khttp_parse(&req, NULL, 0, pages, PAGE_NUM, 0) == KCGI_OK) |
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111 process(&req); |
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112 } |
