mirror of https://gitlab.com/bashrc2/epicyon
				
				
				
			
		
			
				
	
	
		
			155 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			155 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			Python
		
	
	
| __filename__ = "daemon_get_favicon.py"
 | |
| __author__ = "Bob Mottram"
 | |
| __license__ = "AGPL3+"
 | |
| __version__ = "1.5.0"
 | |
| __maintainer__ = "Bob Mottram"
 | |
| __email__ = "bob@libreserver.org"
 | |
| __status__ = "Production"
 | |
| __module_group__ = "Core GET"
 | |
| 
 | |
| import os
 | |
| import urllib.parse
 | |
| from fitnessFunctions import fitness_performance
 | |
| from httpheaders import set_headers_etag
 | |
| from httpcodes import write2
 | |
| from httpcodes import http_304
 | |
| from httpcodes import http_404
 | |
| from daemon_utils import has_accept
 | |
| from daemon_utils import etag_exists
 | |
| from utils import get_config_param
 | |
| from utils import media_file_mime_type
 | |
| from utils import binary_is_image
 | |
| 
 | |
| 
 | |
| def get_favicon(self, calling_domain: str,
 | |
|                 base_dir: str, debug: bool,
 | |
|                 fav_filename: str) -> None:
 | |
|     """Return the site favicon or default newswire favicon
 | |
|     """
 | |
|     fav_type = 'image/x-icon'
 | |
|     if has_accept(self, calling_domain):
 | |
|         if 'image/webp' in self.headers['Accept']:
 | |
|             fav_type = 'image/webp'
 | |
|             fav_filename = fav_filename.split('.')[0] + '.webp'
 | |
|         if 'image/avif' in self.headers['Accept']:
 | |
|             fav_type = 'image/avif'
 | |
|             fav_filename = fav_filename.split('.')[0] + '.avif'
 | |
|         if 'image/heic' in self.headers['Accept']:
 | |
|             fav_type = 'image/heic'
 | |
|             fav_filename = fav_filename.split('.')[0] + '.heic'
 | |
|         if 'image/jxl' in self.headers['Accept']:
 | |
|             fav_type = 'image/jxl'
 | |
|             fav_filename = fav_filename.split('.')[0] + '.jxl'
 | |
|     if not self.server.theme_name:
 | |
|         self.theme_name = get_config_param(base_dir, 'theme')
 | |
|     if not self.server.theme_name:
 | |
|         self.server.theme_name = 'default'
 | |
|     # custom favicon
 | |
|     favicon_filename = \
 | |
|         base_dir + '/theme/' + self.server.theme_name + \
 | |
|         '/icons/' + fav_filename
 | |
|     if not fav_filename.endswith('.ico'):
 | |
|         if not os.path.isfile(favicon_filename):
 | |
|             if fav_filename.endswith('.webp'):
 | |
|                 fav_filename = fav_filename.replace('.webp', '.ico')
 | |
|             elif fav_filename.endswith('.avif'):
 | |
|                 fav_filename = fav_filename.replace('.avif', '.ico')
 | |
|             elif fav_filename.endswith('.heic'):
 | |
|                 fav_filename = fav_filename.replace('.heic', '.ico')
 | |
|             elif fav_filename.endswith('.jxl'):
 | |
|                 fav_filename = fav_filename.replace('.jxl', '.ico')
 | |
|     if not os.path.isfile(favicon_filename):
 | |
|         # default favicon
 | |
|         favicon_filename = \
 | |
|             base_dir + '/theme/default/icons/' + fav_filename
 | |
|     if etag_exists(self, favicon_filename):
 | |
|         # The file has not changed
 | |
|         if debug:
 | |
|             print('favicon icon has not changed: ' + calling_domain)
 | |
|         http_304(self)
 | |
|         return
 | |
|     if self.server.iconsCache.get(fav_filename):
 | |
|         fav_binary = self.server.iconsCache[fav_filename]
 | |
|         set_headers_etag(self, favicon_filename,
 | |
|                          fav_type,
 | |
|                          fav_binary, None,
 | |
|                          self.server.domain_full,
 | |
|                          False, None)
 | |
|         write2(self, fav_binary)
 | |
|         if debug:
 | |
|             print('Sent favicon from cache: ' + calling_domain)
 | |
|         return
 | |
|     if os.path.isfile(favicon_filename):
 | |
|         fav_binary = None
 | |
|         try:
 | |
|             with open(favicon_filename, 'rb') as fav_file:
 | |
|                 fav_binary = fav_file.read()
 | |
|         except OSError:
 | |
|             print('EX: unable to read favicon ' + favicon_filename)
 | |
|         if fav_binary:
 | |
|             set_headers_etag(self, favicon_filename,
 | |
|                              fav_type,
 | |
|                              fav_binary, None,
 | |
|                              self.server.domain_full,
 | |
|                              False, None)
 | |
|             write2(self, fav_binary)
 | |
|             self.server.iconsCache[fav_filename] = fav_binary
 | |
|             if self.server.debug:
 | |
|                 print('Sent favicon from file: ' + calling_domain)
 | |
|             return
 | |
|     if debug:
 | |
|         print('favicon not sent: ' + calling_domain)
 | |
|     http_404(self, 17)
 | |
| 
 | |
| 
 | |
| def show_cached_favicon(self, referer_domain: str, path: str,
 | |
|                         base_dir: str, getreq_start_time) -> None:
 | |
|     """Shows a favicon image obtained from the cache
 | |
|     """
 | |
|     fav_file = path.replace('/favicons/', '')
 | |
|     fav_filename = base_dir + urllib.parse.unquote_plus(path)
 | |
|     print('showCachedFavicon: ' + fav_filename)
 | |
|     if self.server.favicons_cache.get(fav_file):
 | |
|         media_binary = self.server.favicons_cache[fav_file]
 | |
|         mime_type = media_file_mime_type(fav_filename)
 | |
|         set_headers_etag(self, fav_filename,
 | |
|                          mime_type,
 | |
|                          media_binary, None,
 | |
|                          referer_domain,
 | |
|                          False, None)
 | |
|         write2(self, media_binary)
 | |
|         fitness_performance(getreq_start_time, self.server.fitness,
 | |
|                             '_GET', '_show_cached_favicon2',
 | |
|                             self.server.debug)
 | |
|         return
 | |
|     if not os.path.isfile(fav_filename):
 | |
|         http_404(self, 44)
 | |
|         return
 | |
|     if etag_exists(self, fav_filename):
 | |
|         # The file has not changed
 | |
|         http_304(self)
 | |
|         return
 | |
|     media_binary = None
 | |
|     try:
 | |
|         with open(fav_filename, 'rb') as av_file:
 | |
|             media_binary = av_file.read()
 | |
|     except OSError:
 | |
|         print('EX: unable to read cached favicon ' + fav_filename)
 | |
|     if media_binary:
 | |
|         if binary_is_image(fav_filename, media_binary):
 | |
|             mime_type = media_file_mime_type(fav_filename)
 | |
|             set_headers_etag(self, fav_filename,
 | |
|                              mime_type,
 | |
|                              media_binary, None,
 | |
|                              referer_domain,
 | |
|                              False, None)
 | |
|             write2(self, media_binary)
 | |
|             fitness_performance(getreq_start_time, self.server.fitness,
 | |
|                                 '_GET', '_show_cached_favicon',
 | |
|                                 self.server.debug)
 | |
|             self.server.favicons_cache[fav_file] = media_binary
 | |
|             return
 | |
|         else:
 | |
|             print('WARN: favicon is not an image ' + fav_filename)
 | |
|     http_404(self, 45)
 |