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annotate scid/http.c @ 58:7a4112eec15b

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scid: add /projects page
author David Demelier <markand@malikania.fr>
date Wed, 17 Aug 2022 19:45:32 +0200
parents b474f0985e39
children 71cd8447e3a4
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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) 2021-2022 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 <assert.h>
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21 #include <stdarg.h>
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22 #include <stdint.h>
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23 #include <stdio.h>
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24 #include <stdlib.h>
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25 #include <string.h>
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26
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27 #include <kcgi.h>
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28
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29 #include "http.h"
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30 #include "log.h"
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31 #include "page-api-jobresults.h"
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32 #include "page-api-jobs.h"
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33 #include "page-api-projects.h"
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34 #include "page-api-todo.h"
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35 #include "page-api-workers.h"
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36 #include "page-index.h"
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37 #include "page-jobresults.h"
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38 #include "page-projects.h"
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39 #include "page-static.h"
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40 #include "page-workers.h"
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41 #include "pageutil.h"
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42 #include "scid.h"
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43
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44 enum page {
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45 PAGE_INDEX, /* Job results at index. */
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46 PAGE_API, /* JSON API with key authentication. */
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47 PAGE_JOBRESULTS, /* List of jobresult for one job. */
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48 PAGE_PROJECTS, /* User view of projects. */
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49 PAGE_STATIC, /* Static files delivery. */
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50 PAGE_WORKERS, /* User view of workers. */
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51 PAGE_LAST /* Not used. */
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52 };
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53
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54 static int
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55 allowed(const struct kreq *req)
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56 {
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57 for (size_t i = 0; i < req->reqsz; ++i) {
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58 if (strcmp(req->reqs[i].key, "X-Api-Key") == 0 &&
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59 strcmp(req->reqs[i].val, scid.apikey) == 0)
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60 return 1;
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61 }
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63 return 0;
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64 }
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65
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66 static void
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67 dispatch_api(struct kreq *req)
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68 {
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69 static const struct {
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70 const char *prefix;
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71 void (*handler)(struct kreq *);
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72 } apis[] = {
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73 { "v1/jobresults", page_api_v1_jobresults },
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74 { "v1/jobs", page_api_v1_jobs },
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75 { "v1/projects", page_api_v1_projects },
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76 { "v1/todo", page_api_v1_todo },
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77 { "v1/workers", page_api_v1_workers },
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78 { NULL, NULL }
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79 };
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80
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81 /* Any API page requires authentication key. */
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82 if (req->method == KMETHOD_POST && !allowed(req)) {
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83 log_warn("http: client not allowed");
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84 pageutil_json(req, KHTTP_401, NULL);
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85 } else {
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86 for (size_t i = 0; apis[i].prefix; ++i)
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87 if (strncmp(req->path, apis[i].prefix, strlen(apis[i].prefix)) == 0)
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88 return apis[i].handler(req);
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89
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90 pageutil_json(req, KHTTP_404, NULL);
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91 }
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92 }
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93
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94 static const char * const pages[] = {
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95 [PAGE_INDEX] = "",
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96 [PAGE_API] = "api",
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97 [PAGE_JOBRESULTS] = "jobresults",
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98 [PAGE_PROJECTS] = "projects",
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99 [PAGE_STATIC] = "static",
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100 [PAGE_WORKERS] = "workers"
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101 };
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102
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103 static void (*handlers[])(struct kreq *req) = {
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104 [PAGE_INDEX] = page_index,
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105 [PAGE_API] = dispatch_api,
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106 [PAGE_JOBRESULTS] = page_jobresults,
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107 [PAGE_PROJECTS] = page_projects,
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108 [PAGE_STATIC] = page_static,
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109 [PAGE_WORKERS] = page_workers
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110 };
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111
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112 static void
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113 process(struct kreq *req)
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114 {
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115 assert(req);
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116
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117 log_debug("http: accessing page '%s' method %d", req->fullpath, req->method);
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118
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119 if (req->page == PAGE_LAST)
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120 pageutil_status(req, KHTTP_404);
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121 else
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122 handlers[req->page](req);
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123 }
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124
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125 void
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126 http_fcgi_run(void)
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127 {
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128 struct kreq req;
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129 struct kfcgi *fcgi;
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130
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131 if (khttp_fcgi_init(&fcgi, NULL, 0, pages, PAGE_LAST, 0) != KCGI_OK)
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132 return;
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133
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134 while (khttp_fcgi_parse(fcgi, &req) == KCGI_OK)
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135 process(&req);
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136
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137 khttp_fcgi_free(fcgi);
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138 }
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139
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140 void
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141 http_cgi_run(void)
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142 {
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143 struct kreq req;
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144
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145 if (khttp_parse(&req, NULL, 0, pages, PAGE_LAST, 0) == KCGI_OK)
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146 process(&req);
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147 }