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1 /* |
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2 * page-image.c -- page /image/<id> |
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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 <assert.h> |
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21 #include <stdarg.h> |
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22 #include <stddef.h> |
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23 #include <stdint.h> |
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24 |
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25 #include <kcgi.h> |
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26 |
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27 #include "database.h" |
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28 #include "image.h" |
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29 #include "page-image.h" |
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30 #include "page.h" |
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31 #include "util.h" |
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32 |
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33 struct template { |
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34 struct kreq *req; |
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35 struct image *image; |
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36 }; |
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37 |
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38 static const char *keywords[] = { |
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39 "id", |
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40 "title", |
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41 "author", |
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42 "filename", |
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43 "date", |
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44 "visible", |
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45 "expiration" |
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46 }; |
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47 |
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48 static int |
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49 template(size_t keyword, void *arg) |
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50 { |
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51 const struct template *tp = arg; |
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52 |
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53 switch (keyword) { |
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54 case 0: |
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55 khttp_puts(tp->req, tp->image->id); |
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56 break; |
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57 case 1: |
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58 khttp_puts(tp->req, tp->image->title); |
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59 break; |
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60 case 2: |
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61 khttp_puts(tp->req, tp->image->author); |
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62 break; |
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63 case 3: |
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64 khttp_puts(tp->req, tp->image->filename); |
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65 break; |
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66 case 4: |
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67 khttp_puts(tp->req, bstrftime("%c", localtime(&tp->image->timestamp))); |
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68 break; |
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69 case 5: |
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70 khttp_puts(tp->req, bprintf(tp->image->visible ? "Yes" : "No")); |
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71 break; |
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72 case 6: |
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73 khttp_puts(tp->req, ttl(tp->image->timestamp, tp->image->duration)); |
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74 break; |
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75 default: |
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76 break; |
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77 } |
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78 |
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79 return 1; |
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80 } |
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81 |
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82 static void |
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83 get(struct kreq *r) |
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84 { |
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85 struct image image = {0}; |
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86 struct template data = { |
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87 .req = r, |
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88 .image = &image |
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89 }; |
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90 |
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91 if (!database_get(&image, r->path)) |
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92 page(r, NULL, KHTTP_404, "pages/404.html"); |
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93 else { |
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94 const struct ktemplate kt = { |
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95 .key = keywords, |
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96 .keysz = NELEM(keywords), |
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97 .cb = template, |
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98 .arg = &data |
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99 }; |
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100 |
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101 page(r, &kt, KHTTP_200, "pages/image.html"); |
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102 image_finish(&image); |
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103 } |
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104 } |
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105 |
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106 void |
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107 page_image(struct kreq *r) |
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108 { |
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109 assert(r); |
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110 |
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111 switch (r->method) { |
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112 case KMETHOD_GET: |
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113 get(r); |
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114 break; |
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115 default: |
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116 page(r, NULL, KHTTP_400, "pages/400.html"); |
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117 break; |
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118 } |
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119 } |
