Show More
@@ -1,201 +1,210 b'' | |||
|
1 | 1 | import re |
|
2 | 2 | |
|
3 | 3 | from django.contrib.staticfiles import finders |
|
4 | 4 | from django.contrib.staticfiles.templatetags.staticfiles import static |
|
5 | 5 | from django.core.files.images import get_image_dimensions |
|
6 | 6 | from django.template.defaultfilters import filesizeformat |
|
7 | 7 | |
|
8 | from boards.utils import get_domain | |
|
8 | from boards.utils import get_domain, cached_result | |
|
9 | 9 | |
|
10 | 10 | |
|
11 | 11 | FILE_STUB_IMAGE = 'images/file.png' |
|
12 | 12 | FILE_STUB_URL = 'url' |
|
13 | 13 | |
|
14 | 14 | |
|
15 | 15 | FILE_TYPES_VIDEO = ( |
|
16 | 16 | 'webm', |
|
17 | 17 | 'mp4', |
|
18 | 18 | 'mpeg', |
|
19 | 19 | 'ogv', |
|
20 | 20 | ) |
|
21 | 21 | FILE_TYPE_SVG = 'svg' |
|
22 | 22 | FILE_TYPES_AUDIO = ( |
|
23 | 23 | 'ogg', |
|
24 | 24 | 'mp3', |
|
25 | 25 | 'opus', |
|
26 | 26 | ) |
|
27 | 27 | FILE_TYPES_IMAGE = ( |
|
28 | 28 | 'jpeg', |
|
29 | 29 | 'jpg', |
|
30 | 30 | 'png', |
|
31 | 31 | 'bmp', |
|
32 | 32 | 'gif', |
|
33 | 33 | ) |
|
34 | 34 | |
|
35 | 35 | PLAIN_FILE_FORMATS = { |
|
36 | 36 | 'pdf': 'pdf', |
|
37 | 37 | 'djvu': 'djvu', |
|
38 | 38 | 'txt': 'txt', |
|
39 | 39 | 'tex': 'tex', |
|
40 | 40 | 'xcf': 'xcf', |
|
41 | 41 | 'zip': 'archive', |
|
42 | 42 | 'tar': 'archive', |
|
43 | 43 | 'gz': 'archive', |
|
44 | 44 | } |
|
45 | 45 | |
|
46 | 46 | URL_PROTOCOLS = { |
|
47 | 47 | 'magnet': 'magnet', |
|
48 | 48 | } |
|
49 | 49 | |
|
50 | 50 | CSS_CLASS_IMAGE = 'image' |
|
51 | 51 | CSS_CLASS_THUMB = 'thumb' |
|
52 | 52 | |
|
53 | 53 | |
|
54 | 54 | def get_viewers(): |
|
55 | 55 | return AbstractViewer.__subclasses__() |
|
56 | 56 | |
|
57 | 57 | |
|
58 | 58 | def get_static_dimensions(filename): |
|
59 | 59 | file_path = finders.find(filename) |
|
60 | 60 | return get_image_dimensions(file_path) |
|
61 | 61 | |
|
62 | 62 | |
|
63 | 63 | # TODO Move this to utils |
|
64 | 64 | def file_exists(filename): |
|
65 | 65 | return finders.find(filename) is not None |
|
66 | 66 | |
|
67 | 67 | |
|
68 | 68 | class AbstractViewer: |
|
69 | 69 | def __init__(self, file, file_type, hash, url): |
|
70 | 70 | self.file = file |
|
71 | 71 | self.file_type = file_type |
|
72 | 72 | self.hash = hash |
|
73 | 73 | self.url = url |
|
74 | 74 | |
|
75 | 75 | @staticmethod |
|
76 | 76 | def supports(file_type): |
|
77 | 77 | return True |
|
78 | 78 | |
|
79 | 79 | def get_view(self): |
|
80 | 80 | return '<div class="image">'\ |
|
81 | 81 | '{}'\ |
|
82 | 82 | '<div class="image-metadata"><a href="{}" download >{}, {}</a></div>'\ |
|
83 | 83 | '</div>'.format(self.get_format_view(), self.file.url, |
|
84 | 84 | self.file_type, filesizeformat(self.file.size)) |
|
85 | 85 | |
|
86 | 86 | def get_format_view(self): |
|
87 | 87 | if self.file_type in PLAIN_FILE_FORMATS: |
|
88 | 88 | image = 'images/fileformats/{}.png'.format( |
|
89 | 89 | PLAIN_FILE_FORMATS[self.file_type]) |
|
90 | 90 | else: |
|
91 | 91 | image = FILE_STUB_IMAGE |
|
92 | 92 | |
|
93 | 93 | w, h = get_static_dimensions(image) |
|
94 | 94 | |
|
95 | 95 | return '<a href="{}">'\ |
|
96 | 96 | '<img class="url-image" src="{}" width="{}" height="{}"/>'\ |
|
97 | 97 | '</a>'.format(self.file.url, static(image), w, h) |
|
98 | 98 | |
|
99 | 99 | |
|
100 | 100 | class VideoViewer(AbstractViewer): |
|
101 | 101 | @staticmethod |
|
102 | 102 | def supports(file_type): |
|
103 | 103 | return file_type in FILE_TYPES_VIDEO |
|
104 | 104 | |
|
105 | 105 | def get_format_view(self): |
|
106 | 106 | return '<video width="200" height="150" controls src="{}"></video>'\ |
|
107 | 107 | .format(self.file.url) |
|
108 | 108 | |
|
109 | 109 | |
|
110 | 110 | class AudioViewer(AbstractViewer): |
|
111 | 111 | @staticmethod |
|
112 | 112 | def supports(file_type): |
|
113 | 113 | return file_type in FILE_TYPES_AUDIO |
|
114 | 114 | |
|
115 | 115 | def get_format_view(self): |
|
116 | 116 | return '<audio controls src="{}"></audio>'.format(self.file.url) |
|
117 | 117 | |
|
118 | 118 | |
|
119 | 119 | class SvgViewer(AbstractViewer): |
|
120 | 120 | @staticmethod |
|
121 | 121 | def supports(file_type): |
|
122 | 122 | return file_type == FILE_TYPE_SVG |
|
123 | 123 | |
|
124 | 124 | def get_format_view(self): |
|
125 | 125 | return '<a class="thumb" href="{}">'\ |
|
126 | 126 | '<img class="post-image-preview" width="200" height="150" src="{}" />'\ |
|
127 | 127 | '</a>'.format(self.file.url, self.file.url) |
|
128 | 128 | |
|
129 | 129 | |
|
130 | 130 | class ImageViewer(AbstractViewer): |
|
131 | 131 | @staticmethod |
|
132 | 132 | def supports(file_type): |
|
133 | 133 | return file_type in FILE_TYPES_IMAGE |
|
134 | 134 | |
|
135 | 135 | def get_format_view(self): |
|
136 | 136 | metadata = '{}, {}'.format(self.file.name.split('.')[-1], |
|
137 | 137 | filesizeformat(self.file.size)) |
|
138 | 138 | width, height = get_image_dimensions(self.file.file) |
|
139 | 139 | preview_path = self.file.path.replace('.', '.200x150.') |
|
140 | 140 | pre_width, pre_height = get_image_dimensions(preview_path) |
|
141 | 141 | |
|
142 | 142 | split = self.file.url.rsplit('.', 1) |
|
143 | 143 | w, h = 200, 150 |
|
144 | 144 | thumb_url = '%s.%sx%s.%s' % (split[0], w, h, split[1]) |
|
145 | 145 | |
|
146 | 146 | return '<a class="{}" href="{full}">' \ |
|
147 | 147 | '<img class="post-image-preview"' \ |
|
148 | 148 | ' src="{}"' \ |
|
149 | 149 | ' alt="{}"' \ |
|
150 | 150 | ' width="{}"' \ |
|
151 | 151 | ' height="{}"' \ |
|
152 | 152 | ' data-width="{}"' \ |
|
153 | 153 | ' data-height="{}" />' \ |
|
154 | 154 | '</a>' \ |
|
155 | 155 | .format(CSS_CLASS_THUMB, |
|
156 | 156 | thumb_url, |
|
157 | 157 | self.hash, |
|
158 | 158 | str(pre_width), |
|
159 | 159 | str(pre_height), str(width), str(height), |
|
160 | 160 | full=self.file.url, image_meta=metadata) |
|
161 | 161 | |
|
162 | 162 | |
|
163 | 163 | class UrlViewer(AbstractViewer): |
|
164 | 164 | @staticmethod |
|
165 | 165 | def supports(file_type): |
|
166 | 166 | return file_type is None |
|
167 | 167 | |
|
168 | 168 | def get_view(self): |
|
169 | 169 | return '<div class="image">' \ |
|
170 | 170 | '{}' \ |
|
171 | 171 | '<div class="image-metadata">{}</div>' \ |
|
172 | 172 | '</div>'.format(self.get_format_view(), get_domain(self.url)) |
|
173 | 173 | |
|
174 | 174 | def get_format_view(self): |
|
175 | 175 | protocol = self.url.split('://')[0] |
|
176 | 176 | |
|
177 | 177 | domain = get_domain(self.url) |
|
178 | 178 | |
|
179 | 179 | if protocol in URL_PROTOCOLS: |
|
180 | 180 | url_image_name = URL_PROTOCOLS.get(protocol) |
|
181 | 181 | elif domain: |
|
182 | filename = 'images/domains/{}.png'.format(domain) | |
|
183 | if file_exists(filename): | |
|
184 | url_image_name = 'domains/' + domain | |
|
185 | else: | |
|
186 | url_image_name = FILE_STUB_URL | |
|
182 | url_image_name = self._find_image_for_domains(domain) or FILE_STUB_URL | |
|
187 | 183 | else: |
|
188 | 184 | url_image_name = FILE_STUB_URL |
|
189 | 185 | |
|
190 | 186 | image_path = 'images/{}.png'.format(url_image_name) |
|
191 | 187 | image = static(image_path) |
|
192 | 188 | w, h = get_static_dimensions(image_path) |
|
193 | 189 | |
|
194 | 190 | return '<a href="{}">' \ |
|
195 | 191 | '<img class="url-image" src="{}" width="{}" height="{}"/>' \ |
|
196 | 192 | '</a>'.format(self.url, image, w, h) |
|
197 | 193 | |
|
194 | @cached_result() | |
|
195 | def _find_image_for_domains(self, domain): | |
|
196 | """ | |
|
197 | Searches for the domain image for every domain level except top. | |
|
198 | E.g. for l3.example.co.uk it will search for l3.example.co.uk, then | |
|
199 | example.co.uk, then co.uk | |
|
200 | """ | |
|
201 | levels = domain.split('.') | |
|
202 | while len(levels) > 1: | |
|
203 | domain = '.'.join(levels) | |
|
198 | 204 | |
|
199 | def _get_protocol(self): | |
|
200 | pass | |
|
205 | filename = 'images/domains/{}.png'.format(domain) | |
|
206 | if file_exists(filename): | |
|
207 | return 'domains/' + domain | |
|
208 | else: | |
|
209 | del levels[0] | |
|
201 | 210 |
@@ -1,177 +1,157 b'' | |||
|
1 | 1 | """ |
|
2 | 2 | This module contains helper functions and helper classes. |
|
3 | 3 | """ |
|
4 | 4 | import hashlib |
|
5 | 5 | import uuid |
|
6 | 6 | |
|
7 | 7 | from boards.abstracts.constants import FILE_DIRECTORY |
|
8 | 8 | from random import random |
|
9 | 9 | import time |
|
10 | 10 | import hmac |
|
11 | 11 | |
|
12 | 12 | from django.core.cache import cache |
|
13 | 13 | from django.db.models import Model |
|
14 | 14 | from django import forms |
|
15 | 15 | from django.template.defaultfilters import filesizeformat |
|
16 | 16 | from django.utils import timezone |
|
17 | 17 | from django.utils.translation import ugettext_lazy as _ |
|
18 | 18 | import magic |
|
19 | 19 | import os |
|
20 | 20 | |
|
21 | 21 | import boards |
|
22 | 22 | from boards.settings import get_bool |
|
23 | 23 | from neboard import settings |
|
24 | 24 | |
|
25 | 25 | CACHE_KEY_DELIMITER = '_' |
|
26 | 26 | |
|
27 | 27 | HTTP_FORWARDED = 'HTTP_X_FORWARDED_FOR' |
|
28 | 28 | META_REMOTE_ADDR = 'REMOTE_ADDR' |
|
29 | 29 | |
|
30 | 30 | SETTING_MESSAGES = 'Messages' |
|
31 | 31 | SETTING_ANON_MODE = 'AnonymousMode' |
|
32 | 32 | |
|
33 | 33 | ANON_IP = '127.0.0.1' |
|
34 | 34 | |
|
35 | 35 | FILE_EXTENSION_DELIMITER = '.' |
|
36 | 36 | |
|
37 | KNOWN_DOMAINS = ( | |
|
38 | 'org.ru', | |
|
39 | ) | |
|
40 | ||
|
41 | 37 | |
|
42 | 38 | def is_anonymous_mode(): |
|
43 | 39 | return get_bool(SETTING_MESSAGES, SETTING_ANON_MODE) |
|
44 | 40 | |
|
45 | 41 | |
|
46 | 42 | def get_client_ip(request): |
|
47 | 43 | if is_anonymous_mode(): |
|
48 | 44 | ip = ANON_IP |
|
49 | 45 | else: |
|
50 | 46 | x_forwarded_for = request.META.get(HTTP_FORWARDED) |
|
51 | 47 | if x_forwarded_for: |
|
52 | 48 | ip = x_forwarded_for.split(',')[-1].strip() |
|
53 | 49 | else: |
|
54 | 50 | ip = request.META.get(META_REMOTE_ADDR) |
|
55 | 51 | return ip |
|
56 | 52 | |
|
57 | 53 | |
|
58 | 54 | # TODO The output format is not epoch because it includes microseconds |
|
59 | 55 | def datetime_to_epoch(datetime): |
|
60 | 56 | return int(time.mktime(timezone.localtime( |
|
61 | 57 | datetime,timezone.get_current_timezone()).timetuple()) |
|
62 | 58 | * 1000000 + datetime.microsecond) |
|
63 | 59 | |
|
64 | 60 | |
|
65 | 61 | def get_websocket_token(user_id='', timestamp=''): |
|
66 | 62 | """ |
|
67 | 63 | Create token to validate information provided by new connection. |
|
68 | 64 | """ |
|
69 | 65 | |
|
70 | 66 | sign = hmac.new(settings.CENTRIFUGE_PROJECT_SECRET.encode()) |
|
71 | 67 | sign.update(settings.CENTRIFUGE_PROJECT_ID.encode()) |
|
72 | 68 | sign.update(user_id.encode()) |
|
73 | 69 | sign.update(timestamp.encode()) |
|
74 | 70 | token = sign.hexdigest() |
|
75 | 71 | |
|
76 | 72 | return token |
|
77 | 73 | |
|
78 | 74 | |
|
79 | 75 | # TODO Test this carefully |
|
80 | 76 | def cached_result(key_method=None): |
|
81 | 77 | """ |
|
82 | 78 | Caches method result in the Django's cache system, persisted by object name, |
|
83 | 79 | object name, model id if object is a Django model, args and kwargs if any. |
|
84 | 80 | """ |
|
85 | 81 | def _cached_result(function): |
|
86 | 82 | def inner_func(obj, *args, **kwargs): |
|
87 | 83 | cache_key_params = [obj.__class__.__name__, function.__name__] |
|
88 | 84 | |
|
89 | 85 | cache_key_params += args |
|
90 | 86 | for key, value in kwargs: |
|
91 | 87 | cache_key_params.append(key + ':' + value) |
|
92 | 88 | |
|
93 | 89 | if isinstance(obj, Model): |
|
94 | 90 | cache_key_params.append(str(obj.id)) |
|
95 | 91 | |
|
96 | 92 | if key_method is not None: |
|
97 | 93 | cache_key_params += [str(arg) for arg in key_method(obj)] |
|
98 | 94 | |
|
99 | 95 | cache_key = CACHE_KEY_DELIMITER.join(cache_key_params) |
|
100 | 96 | |
|
101 | 97 | persisted_result = cache.get(cache_key) |
|
102 | 98 | if persisted_result is not None: |
|
103 | 99 | result = persisted_result |
|
104 | 100 | else: |
|
105 | 101 | result = function(obj, *args, **kwargs) |
|
106 | 102 | if result is not None: |
|
107 | 103 | cache.set(cache_key, result) |
|
108 | 104 | |
|
109 | 105 | return result |
|
110 | 106 | |
|
111 | 107 | return inner_func |
|
112 | 108 | return _cached_result |
|
113 | 109 | |
|
114 | 110 | |
|
115 | 111 | def get_file_hash(file) -> str: |
|
116 | 112 | md5 = hashlib.md5() |
|
117 | 113 | for chunk in file.chunks(): |
|
118 | 114 | md5.update(chunk) |
|
119 | 115 | return md5.hexdigest() |
|
120 | 116 | |
|
121 | 117 | |
|
122 | 118 | def validate_file_size(size: int): |
|
123 | 119 | max_size = boards.settings.get_int('Forms', 'MaxFileSize') |
|
124 | 120 | if size > max_size: |
|
125 | 121 | raise forms.ValidationError( |
|
126 | 122 | _('File must be less than %s but is %s.') |
|
127 | 123 | % (filesizeformat(max_size), filesizeformat(size))) |
|
128 | 124 | |
|
129 | 125 | |
|
130 | 126 | def get_extension(filename): |
|
131 | 127 | return filename.split(FILE_EXTENSION_DELIMITER)[-1:][0] |
|
132 | 128 | |
|
133 | 129 | |
|
134 | 130 | def get_upload_filename(model_instance, old_filename): |
|
135 | 131 | extension = get_extension(old_filename) |
|
136 | 132 | new_name = '{}.{}'.format(uuid.uuid4(), extension) |
|
137 | 133 | |
|
138 | 134 | return os.path.join(FILE_DIRECTORY, new_name) |
|
139 | 135 | |
|
140 | 136 | |
|
141 | 137 | def get_file_mimetype(file) -> str: |
|
142 | 138 | file_type = magic.from_buffer(file.chunks().__next__(), mime=True) |
|
143 | 139 | if file_type is None: |
|
144 | 140 | file_type = 'application/octet-stream' |
|
145 | 141 | elif type(file_type) == bytes: |
|
146 | 142 | file_type = file_type.decode() |
|
147 | 143 | return file_type |
|
148 | 144 | |
|
149 | 145 | |
|
150 | 146 | def get_domain(url: str) -> str: |
|
151 | 147 | """ |
|
152 | 148 | Gets domain from an URL with random number of domain levels. |
|
153 | 149 | """ |
|
154 | 150 | domain_parts = url.split('/') |
|
155 | 151 | if len(domain_parts) >= 2: |
|
156 | 152 | full_domain = domain_parts[2] |
|
157 | 153 | else: |
|
158 | 154 | full_domain = '' |
|
159 | 155 | |
|
160 |
re |
|
|
161 | if full_domain: | |
|
162 | levels = full_domain.split('.') | |
|
163 | if len(levels) >= 2: | |
|
164 | top = levels[-1] | |
|
165 | second = levels[-2] | |
|
156 | return full_domain | |
|
166 | 157 | |
|
167 | has_third_level = len(levels) > 2 | |
|
168 | if has_third_level: | |
|
169 | third = levels[-3] | |
|
170 | ||
|
171 | if has_third_level and ('{}.{}'.format(second, top) in KNOWN_DOMAINS): | |
|
172 | result = '{}.{}.{}'.format(third, second, top) | |
|
173 | else: | |
|
174 | result = '{}.{}'.format(second, top) | |
|
175 | ||
|
176 | return result | |
|
177 |
General Comments 0
You need to be logged in to leave comments.
Login now