epicyon/webapp_utils.py

811 lines
31 KiB
Python

__filename__ = "webapp_utils.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.1.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
import os
from collections import OrderedDict
from session import getJson
from utils import getProtocolPrefixes
from utils import loadJson
from utils import getCachedPostFilename
from utils import getConfigParam
from cache import getPersonFromCache
from cache import storePersonInCache
from content import addHtmlTags
from content import replaceEmojiFromTags
def getAltPath(actor: str, domainFull: str, callingDomain: str) -> str:
"""Returns alternate path from the actor
eg. https://clearnetdomain/path becomes http://oniondomain/path
"""
postActor = actor
if callingDomain not in actor and domainFull in actor:
if callingDomain.endswith('.onion') or \
callingDomain.endswith('.i2p'):
postActor = \
'http://' + callingDomain + actor.split(domainFull)[1]
print('Changed POST domain from ' + actor + ' to ' + postActor)
return postActor
def getContentWarningButton(postID: str, translate: {},
content: str) -> str:
"""Returns the markup for a content warning button
"""
return ' <details><summary><b>' + \
translate['SHOW MORE'] + '</b></summary>' + \
'<div id="' + postID + '">' + content + \
'</div></details>\n'
def getActorPropertyUrl(actorJson: {}, propertyName: str) -> str:
"""Returns a url property from an actor
"""
if not actorJson.get('attachment'):
return ''
propertyName = propertyName.lower()
for propertyValue in actorJson['attachment']:
if not propertyValue.get('name'):
continue
if not propertyValue['name'].lower().startswith(propertyName):
continue
if not propertyValue.get('type'):
continue
if not propertyValue.get('value'):
continue
if propertyValue['type'] != 'PropertyValue':
continue
propertyValue['value'] = propertyValue['value'].strip()
prefixes = getProtocolPrefixes()
prefixFound = False
for prefix in prefixes:
if propertyValue['value'].startswith(prefix):
prefixFound = True
break
if not prefixFound:
continue
if '.' not in propertyValue['value']:
continue
if ' ' in propertyValue['value']:
continue
if ',' in propertyValue['value']:
continue
return propertyValue['value']
return ''
def getBlogAddress(actorJson: {}) -> str:
"""Returns blog address for the given actor
"""
return getActorPropertyUrl(actorJson, 'Blog')
def setActorPropertyUrl(actorJson: {}, propertyName: str, url: str) -> None:
"""Sets a url for the given actor property
"""
if not actorJson.get('attachment'):
actorJson['attachment'] = []
propertyNameLower = propertyName.lower()
# remove any existing value
propertyFound = None
for propertyValue in actorJson['attachment']:
if not propertyValue.get('name'):
continue
if not propertyValue.get('type'):
continue
if not propertyValue['name'].lower().startswith(propertyNameLower):
continue
propertyFound = propertyValue
break
if propertyFound:
actorJson['attachment'].remove(propertyFound)
prefixes = getProtocolPrefixes()
prefixFound = False
for prefix in prefixes:
if url.startswith(prefix):
prefixFound = True
break
if not prefixFound:
return
if '.' not in url:
return
if ' ' in url:
return
if ',' in url:
return
for propertyValue in actorJson['attachment']:
if not propertyValue.get('name'):
continue
if not propertyValue.get('type'):
continue
if not propertyValue['name'].lower().startswith(propertyNameLower):
continue
if propertyValue['type'] != 'PropertyValue':
continue
propertyValue['value'] = url
return
newAddress = {
"name": propertyName,
"type": "PropertyValue",
"value": url
}
actorJson['attachment'].append(newAddress)
def setBlogAddress(actorJson: {}, blogAddress: str) -> None:
"""Sets an blog address for the given actor
"""
setActorPropertyUrl(actorJson, 'Blog', blogAddress)
def updateAvatarImageCache(session, baseDir: str, httpPrefix: str,
actor: str, avatarUrl: str,
personCache: {}, allowDownloads: bool,
force=False) -> str:
"""Updates the cached avatar for the given actor
"""
if not avatarUrl:
return None
actorStr = actor.replace('/', '-')
avatarImagePath = baseDir + '/cache/avatars/' + actorStr
if avatarUrl.endswith('.png') or \
'.png?' in avatarUrl:
sessionHeaders = {
'Accept': 'image/png'
}
avatarImageFilename = avatarImagePath + '.png'
elif (avatarUrl.endswith('.jpg') or
avatarUrl.endswith('.jpeg') or
'.jpg?' in avatarUrl or
'.jpeg?' in avatarUrl):
sessionHeaders = {
'Accept': 'image/jpeg'
}
avatarImageFilename = avatarImagePath + '.jpg'
elif avatarUrl.endswith('.gif') or '.gif?' in avatarUrl:
sessionHeaders = {
'Accept': 'image/gif'
}
avatarImageFilename = avatarImagePath + '.gif'
elif avatarUrl.endswith('.webp') or '.webp?' in avatarUrl:
sessionHeaders = {
'Accept': 'image/webp'
}
avatarImageFilename = avatarImagePath + '.webp'
elif avatarUrl.endswith('.avif') or '.avif?' in avatarUrl:
sessionHeaders = {
'Accept': 'image/avif'
}
avatarImageFilename = avatarImagePath + '.avif'
else:
return None
if (not os.path.isfile(avatarImageFilename) or force) and allowDownloads:
try:
print('avatar image url: ' + avatarUrl)
result = session.get(avatarUrl,
headers=sessionHeaders,
params=None)
if result.status_code < 200 or \
result.status_code > 202:
print('Avatar image download failed with status ' +
str(result.status_code))
# remove partial download
if os.path.isfile(avatarImageFilename):
os.remove(avatarImageFilename)
else:
with open(avatarImageFilename, 'wb') as f:
f.write(result.content)
print('avatar image downloaded for ' + actor)
return avatarImageFilename.replace(baseDir + '/cache', '')
except Exception as e:
print('Failed to download avatar image: ' + str(avatarUrl))
print(e)
prof = 'https://www.w3.org/ns/activitystreams'
if '/channel/' not in actor or '/accounts/' not in actor:
sessionHeaders = {
'Accept': 'application/activity+json; profile="' + prof + '"'
}
else:
sessionHeaders = {
'Accept': 'application/ld+json; profile="' + prof + '"'
}
personJson = \
getJson(session, actor, sessionHeaders, None, __version__,
httpPrefix, None)
if personJson:
if not personJson.get('id'):
return None
if not personJson.get('publicKey'):
return None
if not personJson['publicKey'].get('publicKeyPem'):
return None
if personJson['id'] != actor:
return None
if not personCache.get(actor):
return None
if personCache[actor]['actor']['publicKey']['publicKeyPem'] != \
personJson['publicKey']['publicKeyPem']:
print("ERROR: " +
"public keys don't match when downloading actor for " +
actor)
return None
storePersonInCache(baseDir, actor, personJson, personCache,
allowDownloads)
return getPersonAvatarUrl(baseDir, actor, personCache,
allowDownloads)
return None
return avatarImageFilename.replace(baseDir + '/cache', '')
def getImageExtensions() -> []:
"""Returns a list of the possible image file extensions
"""
return ('png', 'jpg', 'jpeg', 'gif', 'webp', 'avif')
def getPersonAvatarUrl(baseDir: str, personUrl: str, personCache: {},
allowDownloads: bool) -> str:
"""Returns the avatar url for the person
"""
personJson = \
getPersonFromCache(baseDir, personUrl, personCache, allowDownloads)
if not personJson:
return None
# get from locally stored image
actorStr = personJson['id'].replace('/', '-')
avatarImagePath = baseDir + '/cache/avatars/' + actorStr
imageExtension = getImageExtensions()
for ext in imageExtension:
if os.path.isfile(avatarImagePath + '.' + ext):
return '/avatars/' + actorStr + '.' + ext
elif os.path.isfile(avatarImagePath.lower() + '.' + ext):
return '/avatars/' + actorStr.lower() + '.' + ext
if personJson.get('icon'):
if personJson['icon'].get('url'):
return personJson['icon']['url']
return None
def getIconsDir(baseDir: str) -> str:
"""Returns the web path where icons exist
"""
iconsDir = 'icons'
theme = getConfigParam(baseDir, 'theme')
if theme:
if os.path.isdir(baseDir + '/theme/' + theme + '/icons'):
iconsDir = 'icons/' + theme
return iconsDir
def scheduledPostsExist(baseDir: str, nickname: str, domain: str) -> bool:
"""Returns true if there are posts scheduled to be delivered
"""
scheduleIndexFilename = \
baseDir + '/accounts/' + nickname + '@' + domain + '/schedule.index'
if not os.path.isfile(scheduleIndexFilename):
return False
if '#users#' in open(scheduleIndexFilename).read():
return True
return False
def sharesTimelineJson(actor: str, pageNumber: int, itemsPerPage: int,
baseDir: str, maxSharesPerAccount: int) -> ({}, bool):
"""Get a page on the shared items timeline as json
maxSharesPerAccount helps to avoid one person dominating the timeline
by sharing a large number of things
"""
allSharesJson = {}
for subdir, dirs, files in os.walk(baseDir + '/accounts'):
for handle in dirs:
if '@' in handle:
accountDir = baseDir + '/accounts/' + handle
sharesFilename = accountDir + '/shares.json'
if os.path.isfile(sharesFilename):
sharesJson = loadJson(sharesFilename)
if not sharesJson:
continue
nickname = handle.split('@')[0]
# actor who owns this share
owner = actor.split('/users/')[0] + '/users/' + nickname
ctr = 0
for itemID, item in sharesJson.items():
# assign owner to the item
item['actor'] = owner
allSharesJson[str(item['published'])] = item
ctr += 1
if ctr >= maxSharesPerAccount:
break
# sort the shared items in descending order of publication date
sharesJson = OrderedDict(sorted(allSharesJson.items(), reverse=True))
lastPage = False
startIndex = itemsPerPage * pageNumber
maxIndex = len(sharesJson.items())
if maxIndex < itemsPerPage:
lastPage = True
if startIndex >= maxIndex - itemsPerPage:
lastPage = True
startIndex = maxIndex - itemsPerPage
if startIndex < 0:
startIndex = 0
ctr = 0
resultJson = {}
for published, item in sharesJson.items():
if ctr >= startIndex + itemsPerPage:
break
if ctr < startIndex:
ctr += 1
continue
resultJson[published] = item
ctr += 1
return resultJson, lastPage
def postContainsPublic(postJsonObject: {}) -> bool:
"""Does the given post contain #Public
"""
containsPublic = False
if not postJsonObject['object'].get('to'):
return containsPublic
for toAddress in postJsonObject['object']['to']:
if toAddress.endswith('#Public'):
containsPublic = True
break
if not containsPublic:
if postJsonObject['object'].get('cc'):
for toAddress in postJsonObject['object']['cc']:
if toAddress.endswith('#Public'):
containsPublic = True
break
return containsPublic
def getImageFile(baseDir: str, name: str, directory: str,
nickname: str, domain: str) -> (str, str):
"""
returns the filenames for an image with the given name
"""
bannerExtensions = getImageExtensions()
bannerFile = ''
bannerFilename = ''
for ext in bannerExtensions:
bannerFile = name + '.' + ext
bannerFilename = directory + '/' + bannerFile
if os.path.isfile(bannerFilename):
break
return bannerFile, bannerFilename
def getBannerFile(baseDir: str,
nickname: str, domain: str) -> (str, str):
return getImageFile(baseDir, 'banner',
baseDir + '/accounts/' + nickname + '@' + domain,
nickname, domain)
def getSearchBannerFile(baseDir: str,
nickname: str, domain: str) -> (str, str):
return getImageFile(baseDir, 'search_banner',
baseDir + '/accounts/' + nickname + '@' + domain,
nickname, domain)
def getLeftImageFile(baseDir: str,
nickname: str, domain: str) -> (str, str):
return getImageFile(baseDir, 'left_col_image',
baseDir + '/accounts/' + nickname + '@' + domain,
nickname, domain)
def getRightImageFile(baseDir: str,
nickname: str, domain: str) -> (str, str):
return getImageFile(baseDir, 'right_col_image',
baseDir + '/accounts/' + nickname + '@' + domain,
nickname, domain)
def htmlHeaderWithExternalStyle(cssFilename: str, lang='en') -> str:
htmlStr = '<!DOCTYPE html>\n'
htmlStr += '<html lang="' + lang + '">\n'
htmlStr += ' <head>\n'
htmlStr += ' <meta charset="utf-8">\n'
cssFile = '/' + cssFilename.split('/')[-1]
htmlStr += ' <link rel="stylesheet" href="' + cssFile + '">\n'
htmlStr += ' <link rel="manifest" href="/manifest.json">\n'
htmlStr += ' <meta name="theme-color" content="grey">\n'
htmlStr += ' <title>Epicyon</title>\n'
htmlStr += ' </head>\n'
htmlStr += ' <body>\n'
return htmlStr
def htmlFooter() -> str:
htmlStr = ' </body>\n'
htmlStr += '</html>\n'
return htmlStr
def getFontFromCss(css: str) -> (str, str):
"""Returns the font name and format
"""
if ' url(' not in css:
return None, None
fontName = css.split(" url(")[1].split(")")[0].replace("'", '')
fontFormat = css.split(" format('")[1].split("')")[0]
return fontName, fontFormat
def loadIndividualPostAsHtmlFromCache(baseDir: str,
nickname: str, domain: str,
postJsonObject: {}) -> str:
"""If a cached html version of the given post exists then load it and
return the html text
This is much quicker than generating the html from the json object
"""
cachedPostFilename = \
getCachedPostFilename(baseDir, nickname, domain, postJsonObject)
postHtml = ''
if not cachedPostFilename:
return postHtml
if not os.path.isfile(cachedPostFilename):
return postHtml
tries = 0
while tries < 3:
try:
with open(cachedPostFilename, 'r') as file:
postHtml = file.read()
break
except Exception as e:
print(e)
# no sleep
tries += 1
if postHtml:
return postHtml
def addEmojiToDisplayName(baseDir: str, httpPrefix: str,
nickname: str, domain: str,
displayName: str, inProfileName: bool) -> str:
"""Adds emoji icons to display names on individual posts
"""
if ':' not in displayName:
return displayName
displayName = displayName.replace('<p>', '').replace('</p>', '')
emojiTags = {}
print('TAG: displayName before tags: ' + displayName)
displayName = \
addHtmlTags(baseDir, httpPrefix,
nickname, domain, displayName, [], emojiTags)
displayName = displayName.replace('<p>', '').replace('</p>', '')
print('TAG: displayName after tags: ' + displayName)
# convert the emoji dictionary to a list
emojiTagsList = []
for tagName, tag in emojiTags.items():
emojiTagsList.append(tag)
print('TAG: emoji tags list: ' + str(emojiTagsList))
if not inProfileName:
displayName = \
replaceEmojiFromTags(displayName, emojiTagsList, 'post header')
else:
displayName = \
replaceEmojiFromTags(displayName, emojiTagsList, 'profile')
print('TAG: displayName after tags 2: ' + displayName)
# remove any stray emoji
while ':' in displayName:
if '://' in displayName:
break
emojiStr = displayName.split(':')[1]
prevDisplayName = displayName
displayName = displayName.replace(':' + emojiStr + ':', '').strip()
if prevDisplayName == displayName:
break
print('TAG: displayName after tags 3: ' + displayName)
print('TAG: displayName after tag replacements: ' + displayName)
return displayName
def getPostAttachmentsAsHtml(postJsonObject: {}, boxName: str, translate: {},
isMuted: bool, avatarLink: str,
replyStr: str, announceStr: str, likeStr: str,
bookmarkStr: str, deleteStr: str,
muteStr: str) -> (str, str):
"""Returns a string representing any attachments
"""
attachmentStr = ''
galleryStr = ''
if not postJsonObject['object'].get('attachment'):
return attachmentStr, galleryStr
if not isinstance(postJsonObject['object']['attachment'], list):
return attachmentStr, galleryStr
attachmentCtr = 0
attachmentStr += '<div class="media">\n'
for attach in postJsonObject['object']['attachment']:
if not (attach.get('mediaType') and attach.get('url')):
continue
mediaType = attach['mediaType']
imageDescription = ''
if attach.get('name'):
imageDescription = attach['name'].replace('"', "'")
if mediaType == 'image/png' or \
mediaType == 'image/jpeg' or \
mediaType == 'image/webp' or \
mediaType == 'image/avif' or \
mediaType == 'image/gif':
if attach['url'].endswith('.png') or \
attach['url'].endswith('.jpg') or \
attach['url'].endswith('.jpeg') or \
attach['url'].endswith('.webp') or \
attach['url'].endswith('.avif') or \
attach['url'].endswith('.gif'):
if attachmentCtr > 0:
attachmentStr += '<br>'
if boxName == 'tlmedia':
galleryStr += '<div class="gallery">\n'
if not isMuted:
galleryStr += ' <a href="' + attach['url'] + '">\n'
galleryStr += \
' <img loading="lazy" src="' + \
attach['url'] + '" alt="" title="">\n'
galleryStr += ' </a>\n'
if postJsonObject['object'].get('url'):
imagePostUrl = postJsonObject['object']['url']
else:
imagePostUrl = postJsonObject['object']['id']
if imageDescription and not isMuted:
galleryStr += \
' <a href="' + imagePostUrl + \
'" class="gallerytext"><div ' + \
'class="gallerytext">' + \
imageDescription + '</div></a>\n'
else:
galleryStr += \
'<label class="transparent">---</label><br>'
galleryStr += ' <div class="mediaicons">\n'
galleryStr += \
' ' + replyStr+announceStr + likeStr + \
bookmarkStr + deleteStr + muteStr + '\n'
galleryStr += ' </div>\n'
galleryStr += ' <div class="mediaavatar">\n'
galleryStr += ' ' + avatarLink + '\n'
galleryStr += ' </div>\n'
galleryStr += '</div>\n'
attachmentStr += '<a href="' + attach['url'] + '">'
attachmentStr += \
'<img loading="lazy" src="' + attach['url'] + \
'" alt="' + imageDescription + '" title="' + \
imageDescription + '" class="attachment"></a>\n'
attachmentCtr += 1
elif (mediaType == 'video/mp4' or
mediaType == 'video/webm' or
mediaType == 'video/ogv'):
extension = '.mp4'
if attach['url'].endswith('.webm'):
extension = '.webm'
elif attach['url'].endswith('.ogv'):
extension = '.ogv'
if attach['url'].endswith(extension):
if attachmentCtr > 0:
attachmentStr += '<br>'
if boxName == 'tlmedia':
galleryStr += '<div class="gallery">\n'
if not isMuted:
galleryStr += ' <a href="' + attach['url'] + '">\n'
galleryStr += \
' <video width="600" height="400" controls>\n'
galleryStr += \
' <source src="' + attach['url'] + \
'" alt="' + imageDescription + \
'" title="' + imageDescription + \
'" class="attachment" type="video/' + \
extension.replace('.', '') + '">'
idx = 'Your browser does not support the video tag.'
galleryStr += translate[idx]
galleryStr += ' </video>\n'
galleryStr += ' </a>\n'
if postJsonObject['object'].get('url'):
videoPostUrl = postJsonObject['object']['url']
else:
videoPostUrl = postJsonObject['object']['id']
if imageDescription and not isMuted:
galleryStr += \
' <a href="' + videoPostUrl + \
'" class="gallerytext"><div ' + \
'class="gallerytext">' + \
imageDescription + '</div></a>\n'
else:
galleryStr += \
'<label class="transparent">---</label><br>'
galleryStr += ' <div class="mediaicons">\n'
galleryStr += \
' ' + replyStr + announceStr + likeStr + \
bookmarkStr + deleteStr + muteStr + '\n'
galleryStr += ' </div>\n'
galleryStr += ' <div class="mediaavatar">\n'
galleryStr += ' ' + avatarLink + '\n'
galleryStr += ' </div>\n'
galleryStr += '</div>\n'
attachmentStr += \
'<center><video width="400" height="300" controls>'
attachmentStr += \
'<source src="' + attach['url'] + '" alt="' + \
imageDescription + '" title="' + imageDescription + \
'" class="attachment" type="video/' + \
extension.replace('.', '') + '">'
attachmentStr += \
translate['Your browser does not support the video tag.']
attachmentStr += '</video></center>'
attachmentCtr += 1
elif (mediaType == 'audio/mpeg' or
mediaType == 'audio/ogg'):
extension = '.mp3'
if attach['url'].endswith('.ogg'):
extension = '.ogg'
if attach['url'].endswith(extension):
if attachmentCtr > 0:
attachmentStr += '<br>'
if boxName == 'tlmedia':
galleryStr += '<div class="gallery">\n'
if not isMuted:
galleryStr += ' <a href="' + attach['url'] + '">\n'
galleryStr += ' <audio controls>\n'
galleryStr += \
' <source src="' + attach['url'] + \
'" alt="' + imageDescription + \
'" title="' + imageDescription + \
'" class="attachment" type="audio/' + \
extension.replace('.', '') + '">'
idx = 'Your browser does not support the audio tag.'
galleryStr += translate[idx]
galleryStr += ' </audio>\n'
galleryStr += ' </a>\n'
if postJsonObject['object'].get('url'):
audioPostUrl = postJsonObject['object']['url']
else:
audioPostUrl = postJsonObject['object']['id']
if imageDescription and not isMuted:
galleryStr += \
' <a href="' + audioPostUrl + \
'" class="gallerytext"><div ' + \
'class="gallerytext">' + \
imageDescription + '</div></a>\n'
else:
galleryStr += \
'<label class="transparent">---</label><br>'
galleryStr += ' <div class="mediaicons">\n'
galleryStr += \
' ' + replyStr + announceStr + \
likeStr + bookmarkStr + \
deleteStr + muteStr+'\n'
galleryStr += ' </div>\n'
galleryStr += ' <div class="mediaavatar">\n'
galleryStr += ' ' + avatarLink + '\n'
galleryStr += ' </div>\n'
galleryStr += '</div>\n'
attachmentStr += '<center>\n<audio controls>\n'
attachmentStr += \
'<source src="' + attach['url'] + '" alt="' + \
imageDescription + '" title="' + imageDescription + \
'" class="attachment" type="audio/' + \
extension.replace('.', '') + '">'
attachmentStr += \
translate['Your browser does not support the audio tag.']
attachmentStr += '</audio>\n</center>\n'
attachmentCtr += 1
attachmentStr += '</div>'
return attachmentStr, galleryStr
def htmlPostSeparator(baseDir: str, column: str) -> str:
"""Returns the html for a timeline post separator image
"""
iconsDir = getIconsDir(baseDir)
theme = getConfigParam(baseDir, 'theme')
filename = 'separator.png'
if column:
filename = 'separator_' + column + '.png'
separatorImageFilename = baseDir + '/theme/' + theme + '/icons/' + filename
separatorStr = ''
if os.path.isfile(separatorImageFilename):
separatorStr = \
'<div class="postSeparatorImage"><center>' + \
'<img src="/' + iconsDir + '/' + filename + '"/>' + \
'</center></div>\n'
return separatorStr
def headerButtonsFrontScreen(translate: {},
nickname: str, boxName: str,
authorized: bool,
iconsAsButtons: bool,
iconsDir: bool) -> str:
"""Returns the header buttons for the front page of a news instance
"""
headerStr = ''
if nickname == 'news':
buttonFeatures = 'buttonMobile'
buttonNewswire = 'buttonMobile'
buttonLinks = 'buttonMobile'
if boxName == 'features':
buttonFeatures = 'buttonselected'
elif boxName == 'newswire':
buttonNewswire = 'buttonselected'
elif boxName == 'links':
buttonLinks = 'buttonselected'
headerStr += \
' <a href="/">' + \
'<button class="' + buttonFeatures + '">' + \
'<span>' + translate['Features'] + \
'</span></button></a>'
if not authorized:
headerStr += \
' <a href="/login">' + \
'<button class="buttonMobile">' + \
'<span>' + translate['Login'] + \
'</span></button></a>'
if iconsAsButtons:
headerStr += \
' <a href="/users/news/newswiremobile">' + \
'<button class="' + buttonNewswire + '">' + \
'<span>' + translate['Newswire'] + \
'</span></button></a>'
headerStr += \
' <a href="/users/news/linksmobile">' + \
'<button class="' + buttonLinks + '">' + \
'<span>' + translate['Links'] + \
'</span></button></a>'
else:
headerStr += \
' <a href="' + \
'/users/news/newswiremobile">' + \
'<img loading="lazy" src="/' + iconsDir + \
'/newswire.png" title="' + translate['Newswire'] + \
'" alt="| ' + translate['Newswire'] + '"/></a>\n'
headerStr += \
' <a href="' + \
'/users/news/linksmobile">' + \
'<img loading="lazy" src="/' + iconsDir + \
'/links.png" title="' + translate['Links'] + \
'" alt="| ' + translate['Links'] + '"/></a>\n'
else:
if not authorized:
headerStr += \
' <a href="/login">' + \
'<button class="buttonMobile">' + \
'<span>' + translate['Login'] + \
'</span></button></a>'
if headerStr:
headerStr = \
'\n <div class="frontPageMobileButtons">\n' + \
headerStr + \
' </div>\n'
return headerStr