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1 | NO CONTENT: new file 100644, binary diff hidden |
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1 | 1 | import re |
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2 | 2 | |
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3 | 3 | from django.contrib.staticfiles import finders |
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4 | 4 | from django.contrib.staticfiles.templatetags.staticfiles import static |
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5 | 5 | from django.core.files.images import get_image_dimensions |
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6 | 6 | from django.template.defaultfilters import filesizeformat |
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7 | 7 | |
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8 | 8 | from boards.utils import get_domain, cached_result |
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9 | 9 | |
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10 | 10 | |
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11 | 11 | FILE_STUB_IMAGE = 'images/file.png' |
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12 | 12 | FILE_STUB_URL = 'url' |
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13 | FILE_FILEFORMAT = 'images/fileformats/{}.png' | |
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13 | 14 | |
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14 | 15 | |
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15 | 16 | FILE_TYPES_VIDEO = ( |
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16 | 17 | 'webm', |
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17 | 18 | 'mp4', |
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18 | 19 | 'mpeg', |
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19 | 20 | 'ogv', |
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20 | 21 | ) |
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21 | 22 | FILE_TYPE_SVG = 'svg' |
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22 | 23 | FILE_TYPES_AUDIO = ( |
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23 | 24 | 'ogg', |
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24 | 25 | 'mp3', |
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25 | 26 | 'opus', |
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26 | 27 | ) |
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27 | 28 | FILE_TYPES_IMAGE = ( |
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28 | 29 | 'jpeg', |
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29 | 30 | 'jpg', |
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30 | 31 | 'png', |
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31 | 32 | 'bmp', |
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32 | 33 | 'gif', |
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33 | 34 | ) |
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34 | 35 | |
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35 | 36 | PLAIN_FILE_FORMATS = { |
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36 | 'pdf': 'pdf', | |
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37 | 'djvu': 'djvu', | |
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38 | 'txt': 'txt', | |
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39 | 'tex': 'tex', | |
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40 | 'xcf': 'xcf', | |
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41 | 37 | 'zip': 'archive', |
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42 | 38 | 'tar': 'archive', |
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43 | 39 | 'gz': 'archive', |
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40 | 'mid' : 'midi', | |
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44 | 41 | } |
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45 | 42 | |
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46 | 43 | URL_PROTOCOLS = { |
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47 | 44 | 'magnet': 'magnet', |
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48 | 45 | } |
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49 | 46 | |
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50 | 47 | CSS_CLASS_IMAGE = 'image' |
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51 | 48 | CSS_CLASS_THUMB = 'thumb' |
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52 | 49 | |
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53 | 50 | |
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54 | 51 | def get_viewers(): |
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55 | 52 | return AbstractViewer.__subclasses__() |
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56 | 53 | |
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57 | 54 | |
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58 | 55 | def get_static_dimensions(filename): |
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59 | 56 | file_path = finders.find(filename) |
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60 | 57 | return get_image_dimensions(file_path) |
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61 | 58 | |
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62 | 59 | |
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63 | 60 | # TODO Move this to utils |
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64 | 61 | def file_exists(filename): |
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65 | 62 | return finders.find(filename) is not None |
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66 | 63 | |
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67 | 64 | |
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68 | 65 | class AbstractViewer: |
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69 | 66 | def __init__(self, file, file_type, hash, url): |
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70 | 67 | self.file = file |
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71 | 68 | self.file_type = file_type |
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72 | 69 | self.hash = hash |
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73 | 70 | self.url = url |
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74 | 71 | |
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75 | 72 | @staticmethod |
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76 | 73 | def supports(file_type): |
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77 | 74 | return True |
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78 | 75 | |
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79 | 76 | def get_view(self): |
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80 | 77 | return '<div class="image">'\ |
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81 | 78 | '{}'\ |
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82 | 79 | '<div class="image-metadata"><a href="{}" download >{}, {}</a></div>'\ |
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83 | 80 | '</div>'.format(self.get_format_view(), self.file.url, |
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84 | 81 | self.file_type, filesizeformat(self.file.size)) |
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85 | 82 | |
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86 | 83 | def get_format_view(self): |
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87 | if self.file_type in PLAIN_FILE_FORMATS: | |
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88 | image = 'images/fileformats/{}.png'.format( | |
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89 | PLAIN_FILE_FORMATS[self.file_type]) | |
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84 | image_name = PLAIN_FILE_FORMATS.get(self.file_type, self.file_type) | |
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85 | file_name = FILE_FILEFORMAT.format(image_name) | |
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86 | ||
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87 | if file_exists(file_name): | |
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88 | image = file_name | |
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90 | 89 | else: |
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91 | 90 | image = FILE_STUB_IMAGE |
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92 | 91 | |
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93 | 92 | w, h = get_static_dimensions(image) |
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94 | 93 | |
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95 | 94 | return '<a href="{}">'\ |
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96 | 95 | '<img class="url-image" src="{}" width="{}" height="{}"/>'\ |
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97 | 96 | '</a>'.format(self.file.url, static(image), w, h) |
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98 | 97 | |
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99 | 98 | |
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100 | 99 | class VideoViewer(AbstractViewer): |
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101 | 100 | @staticmethod |
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102 | 101 | def supports(file_type): |
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103 | 102 | return file_type in FILE_TYPES_VIDEO |
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104 | 103 | |
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105 | 104 | def get_format_view(self): |
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106 | 105 | return '<video width="200" height="150" controls src="{}"></video>'\ |
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107 | 106 | .format(self.file.url) |
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108 | 107 | |
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109 | 108 | |
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110 | 109 | class AudioViewer(AbstractViewer): |
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111 | 110 | @staticmethod |
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112 | 111 | def supports(file_type): |
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113 | 112 | return file_type in FILE_TYPES_AUDIO |
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114 | 113 | |
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115 | 114 | def get_format_view(self): |
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116 | 115 | return '<audio controls src="{}"></audio>'.format(self.file.url) |
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117 | 116 | |
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118 | 117 | |
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119 | 118 | class SvgViewer(AbstractViewer): |
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120 | 119 | @staticmethod |
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121 | 120 | def supports(file_type): |
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122 | 121 | return file_type == FILE_TYPE_SVG |
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123 | 122 | |
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124 | 123 | def get_format_view(self): |
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125 | 124 | return '<a class="thumb" href="{}">'\ |
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126 | 125 | '<img class="post-image-preview" width="200" height="150" src="{}" />'\ |
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127 | 126 | '</a>'.format(self.file.url, self.file.url) |
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128 | 127 | |
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129 | 128 | |
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130 | 129 | class ImageViewer(AbstractViewer): |
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131 | 130 | @staticmethod |
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132 | 131 | def supports(file_type): |
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133 | 132 | return file_type in FILE_TYPES_IMAGE |
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134 | 133 | |
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135 | 134 | def get_format_view(self): |
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136 | 135 | metadata = '{}, {}'.format(self.file.name.split('.')[-1], |
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137 | 136 | filesizeformat(self.file.size)) |
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138 | 137 | width, height = get_image_dimensions(self.file.file) |
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139 | 138 | preview_path = self.file.path.replace('.', '.200x150.') |
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140 | 139 | pre_width, pre_height = get_image_dimensions(preview_path) |
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141 | 140 | |
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142 | 141 | split = self.file.url.rsplit('.', 1) |
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143 | 142 | w, h = 200, 150 |
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144 | 143 | thumb_url = '%s.%sx%s.%s' % (split[0], w, h, split[1]) |
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145 | 144 | |
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146 | 145 | return '<a class="{}" href="{full}">' \ |
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147 | 146 | '<img class="post-image-preview"' \ |
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148 | 147 | ' src="{}"' \ |
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149 | 148 | ' alt="{}"' \ |
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150 | 149 | ' width="{}"' \ |
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151 | 150 | ' height="{}"' \ |
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152 | 151 | ' data-width="{}"' \ |
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153 | 152 | ' data-height="{}" />' \ |
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154 | 153 | '</a>' \ |
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155 | 154 | .format(CSS_CLASS_THUMB, |
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156 | 155 | thumb_url, |
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157 | 156 | self.hash, |
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158 | 157 | str(pre_width), |
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159 | 158 | str(pre_height), str(width), str(height), |
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160 | 159 | full=self.file.url, image_meta=metadata) |
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161 | 160 | |
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162 | 161 | |
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163 | 162 | class UrlViewer(AbstractViewer): |
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164 | 163 | @staticmethod |
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165 | 164 | def supports(file_type): |
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166 | 165 | return file_type is None |
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167 | 166 | |
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168 | 167 | def get_view(self): |
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169 | 168 | return '<div class="image">' \ |
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170 | 169 | '{}' \ |
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171 | 170 | '<div class="image-metadata">{}</div>' \ |
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172 | 171 | '</div>'.format(self.get_format_view(), get_domain(self.url)) |
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173 | 172 | |
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174 | 173 | def get_format_view(self): |
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175 | 174 | protocol = self.url.split(':')[0] |
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176 | 175 | |
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177 | 176 | domain = get_domain(self.url) |
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178 | 177 | |
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179 | 178 | if protocol in URL_PROTOCOLS: |
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180 | 179 | url_image_name = URL_PROTOCOLS.get(protocol) |
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181 | 180 | elif domain: |
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182 | 181 | url_image_name = self._find_image_for_domains(domain) or FILE_STUB_URL |
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183 | 182 | else: |
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184 | 183 | url_image_name = FILE_STUB_URL |
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185 | 184 | |
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186 | 185 | image_path = 'images/{}.png'.format(url_image_name) |
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187 | 186 | image = static(image_path) |
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188 | 187 | w, h = get_static_dimensions(image_path) |
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189 | 188 | |
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190 | 189 | return '<a href="{}">' \ |
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191 | 190 | '<img class="url-image" src="{}" width="{}" height="{}"/>' \ |
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192 | 191 | '</a>'.format(self.url, image, w, h) |
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193 | 192 | |
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194 | 193 | @cached_result() |
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195 | 194 | def _find_image_for_domains(self, domain): |
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196 | 195 | """ |
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197 | 196 | Searches for the domain image for every domain level except top. |
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198 | 197 | E.g. for l3.example.co.uk it will search for l3.example.co.uk, then |
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199 | 198 | example.co.uk, then co.uk |
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200 | 199 | """ |
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201 | 200 | levels = domain.split('.') |
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202 | 201 | while len(levels) > 1: |
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203 | 202 | domain = '.'.join(levels) |
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204 | 203 | |
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205 | 204 | filename = 'images/domains/{}.png'.format(domain) |
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206 | 205 | if file_exists(filename): |
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207 | 206 | return 'domains/' + domain |
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208 | 207 | else: |
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209 | 208 | del levels[0] |
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210 | 209 |
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