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pasterd: use a thread as more portable
author David Demelier <markand@malikania.fr>
date Fri, 17 Mar 2023 11:43:36 +0100
parents 94dcca86e5cc
children
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1 /*
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2 * page-search.c -- page /search
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3 *
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4 * Copyright (c) 2020-2023 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 <assert.h>
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20 #include <string.h>
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21
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22 #include "database.h"
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23 #include "page-index.h"
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24 #include "page-search.h"
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25 #include "page-status.h"
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26 #include "page.h"
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27 #include "paste.h"
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28 #include "util.h"
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29
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30 #define TITLE "paster -- search"
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31 #define HTML "search.html"
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32 #define LIMIT 16
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33
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34 enum {
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35 KEYWORD_LANGUAGES
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36 };
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37
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38 struct page {
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39 struct kreq *req;
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40 struct ktemplate template;
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41 };
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42
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43 static const char * const keywords[] = {
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44 [KEYWORD_LANGUAGES] = "languages"
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45 };
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46
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47 static int
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48 format(size_t keyword, void *data)
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49 {
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50 struct page *page = data;
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51 struct khtmlreq html;
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52
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53 khtml_open(&html, page->req, 0);
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54
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55 switch (keyword) {
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56 case KEYWORD_LANGUAGES:
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57 for (size_t i = 0; i < languagesz; ++i) {
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58 khtml_attr(&html, KELEM_OPTION, KATTR_NAME, languages[i], KATTR__MAX);
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59 khtml_puts(&html, languages[i]);
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60 khtml_closeelem(&html, 1);
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61 }
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62 break;
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63 default:
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64 break;
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65 }
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66
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67 khtml_close(&html);
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68
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69 return 1;
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70 }
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71
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72 static void
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73 get(struct kreq *req)
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74 {
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75 struct page self = {
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76 .req = req,
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77 .template = {
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78 .cb = format,
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79 .arg = &self,
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80 .key = keywords,
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81 .keysz = NELEM(keywords)
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82 }
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83 };
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84
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85 page(req, KHTTP_200, TITLE, HTML, &self.template);
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86 }
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87
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88 static void
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89 post(struct kreq *req)
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90 {
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91 struct paste pastes[LIMIT];
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92 size_t pastesz = NELEM(pastes);
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93 const char *key, *val, *title = NULL, *author = NULL, *language = NULL;
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94
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95 for (size_t i = 0; i < req->fieldsz; ++i) {
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96 key = req->fields[i].key;
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97 val = req->fields[i].val;
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98
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99 if (strcmp(key, "title") == 0)
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100 title = val;
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101 else if (strcmp(key, "author") == 0)
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102 author = val;
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103 else if (strcmp(key, "language") == 0)
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104 language = val;
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105 }
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106
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107 /* Sets to null if they are empty. */
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108 if (title && strlen(title) == 0)
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109 title = NULL;
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110 if (author && strlen(author) == 0)
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111 author = NULL;
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112
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113 if (database_search(&database, pastes, &pastesz, title, author, language) < 0)
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114 page_status(req, KHTTP_500);
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115 else {
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116 page_index_render(req, pastes, pastesz);
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117
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118 for (size_t i = 0; i < pastesz; ++i)
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119 paste_finish(&pastes[i]);
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120 }
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121 }
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122
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123 void
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124 page_search(struct kreq *req)
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125 {
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126 assert(req);
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127
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128 switch (req->method) {
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129 case KMETHOD_GET:
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130 get(req);
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131 break;
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132 case KMETHOD_POST:
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133 post(req);
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134 break;
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135 default:
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136 page_status(req, KHTTP_400);
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137 break;
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138 }
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139 }