MarseyWorld/files/routes/search.py

428 lines
12 KiB
Python

import re
import time
from calendar import timegm
from sqlalchemy import *
from sqlalchemy.orm import load_only
from files.helpers.regex import *
from files.helpers.sorting_and_time import *
from files.routes.wrappers import *
from files.__main__ import app
search_operator_hole = HOLE_NAME
valid_params = [
'author',
'domain',
'over18',
'post',
'before',
'after',
'exact',
'title',
'sentto',
search_operator_hole,
]
def searchparse(text):
text = text.lower()
criteria = {x[0]:x[1] for x in query_regex.findall(text)}
for x in criteria:
if x in valid_params:
text = text.replace(f"{x}:{criteria[x]}", "")
text = text.strip()
if text:
criteria['full_text'] = text
criteria['q'] = []
for m in search_token_regex.finditer(text):
token = m[1] if m[1] else m[2]
if not token: token = ''
# Escape SQL pattern matching special characters
token = token.replace('\\', '').replace('_', '\_').replace('%', '\%')
criteria['q'].append(token)
return criteria
@app.get("/search/posts")
@limiter.limit(DEFAULT_RATELIMIT)
@limiter.limit(DEFAULT_RATELIMIT, key_func=get_ID)
@auth_required
def searchposts(v:User):
query = request.values.get("q", '').strip()
if not query:
abort(403, "Empty searches aren't allowed!")
page = get_page()
sort = request.values.get("sort", "new").lower()
t = request.values.get('t', 'all').lower()
criteria=searchparse(query)
posts = g.db.query(Post).options(load_only(Post.id)) \
.join(Post.author) \
.filter(Post.author_id.notin_(v.userblocks))
if v.admin_level < PERMS['POST_COMMENT_MODERATION']:
posts = posts.filter(
Post.deleted_utc == 0,
Post.is_banned == False,
Post.private == False)
if 'author' in criteria:
posts = posts.filter(Post.ghost == False)
author = get_user(criteria['author'], v=v)
if not author.is_visible_to(v):
if v.client:
abort(403, f"@{author.username}'s profile is private; You can't use the 'author' syntax on them")
return render_template("search.html",
v=v,
query=query,
total=0,
page=page,
listing=[],
sort=sort,
t=t,
domain=None,
domain_obj=None,
error=f"@{author.username}'s profile is private; You can't use the 'author' syntax on them."
), 403
posts = posts.filter(Post.author_id == author.id)
if 'exact' in criteria and 'full_text' in criteria:
regex_str = '[[:<:]]'+criteria['full_text']+'[[:>:]]' # https://docs.oracle.com/cd/E17952_01/mysql-5.5-en/regexp.html "word boundaries"
if 'title' in criteria:
words = [Post.title.regexp_match(regex_str)]
else:
words = [or_(Post.title.regexp_match(regex_str), Post.body.regexp_match(regex_str))]
posts = posts.filter(*words)
elif 'q' in criteria:
if('title' in criteria):
words = [or_(Post.title.ilike('%'+x+'%')) \
for x in criteria['q']]
else:
words = [or_(
Post.title.ilike('%'+x+'%'),
Post.body.ilike('%'+x+'%'),
Post.url.ilike('%'+x+'%'),
) for x in criteria['q']]
posts = posts.filter(*words)
if 'over18' in criteria: posts = posts.filter(Post.over_18==True)
if 'domain' in criteria:
domain=criteria['domain']
domain = domain.replace('\\', '').replace('_', '\_').replace('%', '').strip()
posts=posts.filter(
or_(
Post.url.ilike("https://"+domain+'/%'),
Post.url.ilike("https://"+domain+'/%'),
Post.url.ilike("https://"+domain),
Post.url.ilike("https://"+domain),
Post.url.ilike("https://www."+domain+'/%'),
Post.url.ilike("https://www."+domain+'/%'),
Post.url.ilike("https://www."+domain),
Post.url.ilike("https://www."+domain),
Post.url.ilike("https://old." + domain + '/%'),
Post.url.ilike("https://old." + domain + '/%'),
Post.url.ilike("https://old." + domain),
Post.url.ilike("https://old." + domain)
)
)
if search_operator_hole in criteria:
posts = posts.filter(Post.sub == criteria[search_operator_hole])
if 'after' in criteria:
after = criteria['after']
try: after = int(after)
except:
try: after = timegm(time.strptime(after, "%Y-%m-%d"))
except: abort(400)
posts = posts.filter(Post.created_utc > after)
if 'before' in criteria:
before = criteria['before']
try: before = int(before)
except:
try: before = timegm(time.strptime(before, "%Y-%m-%d"))
except: abort(400)
posts = posts.filter(Post.created_utc < before)
posts = apply_time_filter(t, posts, Post)
if not v.can_see_shadowbanned:
posts = posts.join(Post.author).filter(User.shadowbanned == None)
total = posts.count()
posts = sort_objects(sort, posts, Post)
posts = posts.offset(PAGE_SIZE * (page - 1)).limit(PAGE_SIZE).all()
ids = [x.id for x in posts]
posts = get_posts(ids, v=v, eager=True)
if v.client: return {"total":total, "data":[x.json for x in posts]}
return render_template("search.html",
v=v,
query=query,
page=page,
listing=posts,
sort=sort,
t=t,
total=total
)
@app.get("/search/comments")
@limiter.limit(DEFAULT_RATELIMIT)
@limiter.limit(DEFAULT_RATELIMIT, key_func=get_ID)
@auth_required
def searchcomments(v:User):
query = request.values.get("q", '').strip()
if not query:
abort(403, "Empty searches aren't allowed!")
page = get_page()
sort = request.values.get("sort", "new").lower()
t = request.values.get('t', 'all').lower()
criteria = searchparse(query)
comments = g.db.query(Comment).options(load_only(Comment.id)).outerjoin(Comment.post) \
.filter(
or_(Comment.parent_post != None, Comment.wall_user_id != None),
Comment.author_id.notin_(v.userblocks),
)
if 'post' in criteria:
try: post = int(criteria['post'])
except: abort(404)
comments = comments.filter(Comment.parent_post == post)
if 'author' in criteria:
comments = comments.filter(Comment.ghost == False)
author = get_user(criteria['author'], v=v)
if not author.is_visible_to(v):
if v.client:
abort(403, f"@{author.username}'s profile is private; You can't use the 'author' syntax on them")
return render_template("search_comments.html", v=v, query=query, total=0, page=page, comments=[], sort=sort, t=t, error=f"@{author.username}'s profile is private; You can't use the 'author' syntax on them!"), 403
else: comments = comments.filter(Comment.author_id == author.id)
if 'q' in criteria:
tokens = map(lambda x: re.sub(r'[\0():|&*!<>]', '', x), criteria['q'])
tokens = filter(lambda x: len(x) > 0, tokens)
tokens = map(lambda x: re.sub(r"'", "\\'", x), tokens)
tokens = map(lambda x: x.strip(), tokens)
tokens = map(lambda x: re.sub(r'\s+', ' <-> ', x), tokens)
comments = comments.filter(Comment.body_ts.match(
' & '.join(tokens),
postgresql_regconfig='english'))
if 'over18' in criteria: comments = comments.filter(Comment.over_18 == True)
if search_operator_hole in criteria:
comments = comments.filter(Post.sub == criteria[search_operator_hole])
comments = apply_time_filter(t, comments, Comment)
if v.admin_level < PERMS['POST_COMMENT_MODERATION']:
private = [x[0] for x in g.db.query(Post.id).filter(Post.private == True).all()]
comments = comments.filter(
Comment.is_banned==False,
Comment.deleted_utc == 0,
or_(
Comment.parent_post.notin_(private),
Comment.wall_user_id != None
)
)
if 'after' in criteria:
after = criteria['after']
try: after = int(after)
except:
try: after = timegm(time.strptime(after, "%Y-%m-%d"))
except: abort(400)
comments = comments.filter(Comment.created_utc > after)
if 'before' in criteria:
before = criteria['before']
try: before = int(before)
except:
try: before = timegm(time.strptime(before, "%Y-%m-%d"))
except: abort(400)
comments = comments.filter(Comment.created_utc < before)
if not v.can_see_shadowbanned:
comments = comments.join(Comment.author).filter(User.shadowbanned == None)
total = comments.count()
comments = sort_objects(sort, comments, Comment)
comments = comments.offset(PAGE_SIZE * (page - 1)).limit(PAGE_SIZE).all()
ids = [x.id for x in comments]
comments = get_comments(ids, v=v)
if v.client: return {"total":total, "data":[x.json for x in comments]}
return render_template("search_comments.html", v=v, query=query, page=page, comments=comments, sort=sort, t=t, total=total, standalone=True)
@app.get("/search/messages")
@limiter.limit(DEFAULT_RATELIMIT)
@limiter.limit(DEFAULT_RATELIMIT, key_func=get_ID)
@auth_required
def searchmessages(v:User):
query = request.values.get("q", '').strip()
if not query:
abort(403, "Empty searches aren't allowed!")
page = get_page()
sort = request.values.get("sort", "new").lower()
t = request.values.get('t', 'all').lower()
criteria = searchparse(query)
dm_conditions = [Comment.author_id == v.id, Comment.sentto == v.id]
if v.admin_level >= PERMS['VIEW_MODMAIL']:
dm_conditions.append(Comment.sentto == MODMAIL_ID),
comments = g.db.query(Comment).options(load_only(Comment.id)) \
.filter(
Comment.sentto != None,
Comment.parent_post == None,
or_(*dm_conditions),
)
if 'author' in criteria:
comments = comments.filter(Comment.ghost == False)
author = get_user(criteria['author'], v=v)
if not author.is_visible_to(v):
if v.client:
abort(403, f"@{author.username}'s profile is private; You can't use the 'author' syntax on them")
return render_template("search_comments.html", v=v, query=query, total=0, page=page, comments=[], sort=sort, t=t, error=f"@{author.username}'s profile is private; You can't use the 'author' syntax on them!"), 403
else: comments = comments.filter(Comment.author_id == author.id)
if 'q' in criteria:
tokens = map(lambda x: re.sub(r'[\0():|&*!<>]', '', x), criteria['q'])
tokens = filter(lambda x: len(x) > 0, tokens)
tokens = map(lambda x: re.sub(r"'", "\\'", x), tokens)
tokens = map(lambda x: x.strip(), tokens)
tokens = map(lambda x: re.sub(r'\s+', ' <-> ', x), tokens)
comments = comments.filter(Comment.body_ts.match(
' & '.join(tokens),
postgresql_regconfig='english'))
comments = apply_time_filter(t, comments, Comment)
if 'after' in criteria:
after = criteria['after']
try: after = int(after)
except:
try: after = timegm(time.strptime(after, "%Y-%m-%d"))
except: abort(400)
comments = comments.filter(Comment.created_utc > after)
if 'before' in criteria:
before = criteria['before']
try: before = int(before)
except:
try: before = timegm(time.strptime(before, "%Y-%m-%d"))
except: abort(400)
comments = comments.filter(Comment.created_utc < before)
if 'sentto' in criteria:
sentto = criteria['sentto']
sentto = get_user(sentto, graceful=True)
if not sentto:
abort(400, "The `sentto` field must contain an existing user's username!")
comments = comments.filter(Comment.sentto == sentto.id)
if not v.can_see_shadowbanned:
comments = comments.join(Comment.author).filter(User.shadowbanned == None)
total = comments.count()
comments = sort_objects(sort, comments, Comment)
comments = comments.offset(PAGE_SIZE * (page - 1)).limit(PAGE_SIZE).all()
for x in comments: x.unread = True
comments = dict.fromkeys([x.top_comment for x in comments])
if v.client: return {"total":total, "data":[x.json for x in comments]}
return render_template("search_comments.html", v=v, query=query, page=page, comments=comments, sort=sort, t=t, total=total, standalone=True, render_replies=True)
@app.get("/search/users")
@limiter.limit(DEFAULT_RATELIMIT)
@limiter.limit(DEFAULT_RATELIMIT, key_func=get_ID)
@auth_required
def searchusers(v:User):
query = request.values.get("q", '').strip()
if not query:
abort(403, "Empty searches aren't allowed!")
page = get_page()
users = g.db.query(User)
criteria = searchparse(query)
if 'after' in criteria:
after = criteria['after']
try: after = int(after)
except:
try: after = timegm(time.strptime(after, "%Y-%m-%d"))
except: abort(400)
users = users.filter(User.created_utc > after)
if 'before' in criteria:
before = criteria['before']
try: before = int(before)
except:
try: before = timegm(time.strptime(before, "%Y-%m-%d"))
except: abort(400)
users = users.filter(User.created_utc < before)
if 'q' in criteria:
term = criteria['q'][0]
term = term.lstrip('@')
term = term.replace('\\','').replace('_','\_').replace('%','')
users = users.filter(
or_(
User.username.ilike(f'%{term}%'),
User.original_username.ilike(f'%{term}%'),
User.prelock_username.ilike(f'%{term}%'),
)
).order_by(User.username.ilike(term).desc(), User.stored_subscriber_count.desc())
total = users.count()
users = users.offset(PAGE_SIZE * (page-1)).limit(PAGE_SIZE).all()
if v.client: return {"data": [x.json for x in users]}
return render_template("search_users.html", v=v, query=query, page=page, users=users, total=total)