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server.py
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import re
from os import getenv, stat, rename, makedirs
from os.path import join, dirname, isfile, splitext
from shutil import move
from dotenv import load_dotenv
load_dotenv(join(dirname(__file__), '.env'))
from routes.help import help_app
from routes.proxy import proxy_app
from PIL import Image
from flask import Flask, jsonify, render_template, render_template_string, request, redirect, url_for, send_from_directory, make_response, g, abort, current_app, send_file
from flask_caching import Cache
from werkzeug.utils import secure_filename
from slugify import slugify_filename
import requests
from markupsafe import Markup
from bleach.sanitizer import Cleaner
import psycopg2
from psycopg2 import pool
from psycopg2.extras import RealDictCursor
from hashlib import sha256
app = Flask(
__name__,
template_folder='views'
)
app.config.from_pyfile('flask.cfg')
cache = Cache(app)
app.url_map.strict_slashes = False
app.jinja_env.filters['regex_match'] = lambda val, rgx: re.search(rgx, val)
app.jinja_env.filters['regex_find'] = lambda val, rgx: re.findall(rgx, val)
app.register_blueprint(help_app, url_prefix='/help')
app.register_blueprint(proxy_app, url_prefix='/proxy')
try:
pool = psycopg2.pool.SimpleConnectionPool(1, 20,
host = getenv('PGHOST') if getenv('PGHOST') else 'localhost',
dbname = getenv('PGDATABASE') if getenv('PGDATABASE') else 'kemonodb',
user = getenv('PGUSER') if getenv('PGUSER') else 'nano',
password = getenv('PGPASSWORD') if getenv('PGPASSWORD') else 'shinonome',
cursor_factory = RealDictCursor
)
except Exception as error:
print("Failed to connect to the database: ",error)
def make_cache_key(*args,**kwargs):
return request.full_path
@app.before_request
def clear_trailing():
rp = request.path
if rp != '/' and rp.endswith('/'):
response = redirect(rp[:-1])
response.autocorrect_location_header = False
return response
def get_cursor():
if 'cursor' not in g:
g.connection = pool.getconn()
g.cursor = g.connection.cursor()
return g.cursor
def allowed_file(mime, accepted):
return any(x in mime for x in accepted)
@app.errorhandler(413)
def upload_exceeded(error):
props = {
'redirect': request.args.get('Referer') if request.args.get('Referer') else '/'
}
limit = int(getenv('REQUESTS_IMAGES')) if getenv('REQUESTS_IMAGES') else 1048576
props['message'] = 'Submitted file exceeds the upload limit. {} MB for requests images.'.format(
limit / 1024 / 1024
)
return render_template(
'error.html',
props = props
), 413
@app.teardown_appcontext
def close(e):
cursor = g.pop('cursor', None)
if cursor is not None:
cursor.close()
connection = g.pop('connection', None)
if connection is not None:
connection.commit()
pool.putconn(connection)
@app.route('/')
@cache.cached(key_prefix=make_cache_key)
def artists():
props = {
'currentPage': 'artists'
}
base = request.args.to_dict()
base.pop('o', None)
if not request.args.get('commit'):
results = {}
else:
query = "SELECT * FROM lookup "
query += "WHERE name ILIKE %s "
params = ('%' + request.args.get('q') + '%',)
if request.args.get('service'):
query += "AND service = %s "
params += (request.args.get('service'),)
query += "AND service != 'discord-channel' "
query += "ORDER BY " + {
'indexed': 'indexed',
'name': 'name',
'service': 'service'
}.get(request.args.get('sort_by'), 'indexed')
query += {
'asc': ' asc ',
'desc': ' desc '
}.get(request.args.get('order'), 'asc')
query += "OFFSET %s "
offset = request.args.get('o') if request.args.get('o') else 0
params += (offset,)
query += "LIMIT 25"
cursor = get_cursor()
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(render_template(
'artists.html',
props = props,
results = results,
base = base
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/artists')
def root():
response = redirect('/', code=308)
response.autocorrect_location_header = False
return response
@app.route('/thumbnail/<path:path>')
def thumbnail(path):
try:
image = Image.open(join(getenv('DB_ROOT'), path))
image = image.convert('RGB')
image.thumbnail((800, 800))
makedirs(dirname(join(getenv('DB_ROOT'), 'thumbnail', path)), exist_ok=True)
image.save(join(getenv('DB_ROOT'), 'thumbnail', path), 'JPEG', quality=60)
response = redirect(join('/', 'thumbnail', path), code=302)
response.autocorrect_location_header = False
return response
except:
return f"The file you requested could not be converted.", 404
@app.route('/artists/random')
def random_artist():
cursor = get_cursor()
query = "SELECT id, service FROM lookup WHERE service != 'discord-channel' ORDER BY random() LIMIT 1"
cursor.execute(query)
random = cursor.fetchall()
if len(random) == 0:
return redirect('back')
response = redirect(url_for('user', service = random[0]['service'], id = random[0]['id']))
response.autocorrect_location_header = False
return response
@app.route('/artists/updated')
@cache.cached(key_prefix=make_cache_key)
def updated_artists():
cursor = get_cursor()
props = {
'currentPage': 'artists'
}
query = 'WITH "posts" as (select "user", "service", max("added") from "booru_posts" group by "user", "service" order by max(added) desc limit 50) '\
'select "user", "posts"."service" as service, "lookup"."name" as name, "max" from "posts" inner join "lookup" on "posts"."user" = "lookup"."id"'
cursor.execute(query)
results = cursor.fetchall()
response = make_response(render_template(
'updated.html',
props = props,
results = results
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/artists/favorites')
def favorites():
props = {
'currentPage': 'artists'
}
response = make_response(render_template(
'favorites.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=300, public, stale-while-revalidate=2592000'
return response
@app.route('/posts')
@cache.cached(key_prefix=make_cache_key)
def posts():
cursor = get_cursor()
props = {
'currentPage': 'posts'
}
base = request.args.to_dict()
base.pop('o', None)
query = "SELECT * FROM booru_posts ORDER BY added desc "
params = ()
offset = request.args.get('o') if request.args.get('o') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and request.args.get('limit') <= 50 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(render_template(
'posts.html',
props = props,
results = results,
base = base
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/posts/upload')
def upload_post():
props = {
'currentPage': 'posts'
}
response = make_response(render_template(
'upload.html',
props=props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/posts/random')
def random_post():
cursor = get_cursor()
query = "SELECT service, \"user\", id FROM booru_posts WHERE random() < 0.01 LIMIT 1"
cursor.execute(query)
random = cursor.fetchall()
response = redirect(url_for('post', service = random[0]['service'], id = random[0]['user'], post = random[0]['id']))
response.autocorrect_location_header = False
return response
# TODO: /:service/user/:id/rss
@app.route('/<service>/user/<id>')
@cache.cached(key_prefix=make_cache_key)
def user(service, id):
cursor = get_cursor()
props = {
'currentPage': 'posts',
'id': id,
'service': service
}
base = request.args.to_dict()
base.pop('o', None)
base["service"] = service
base["id"] = id
query = "SELECT * FROM booru_posts WHERE \"user\" = %s AND service = %s ORDER BY published desc "
params = (id, service)
offset = request.args.get('o') if request.args.get('o') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 50 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
cursor2 = get_cursor()
query2 = "SELECT id FROM booru_posts WHERE \"user\" = %s AND service = %s GROUP BY id"
params2 = (id, service)
cursor2.execute(query2, params2)
results2 = cursor2.fetchall()
props["count"] = len(results2)
response = make_response(render_template(
'user.html',
props = props,
results = results,
base = base
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/discord/server/<id>')
def discord_server(id):
response = make_response(render_template(
'discord.html'
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/<service>/user/<id>/post/<post>')
@cache.cached(key_prefix=make_cache_key)
def post(service, id, post):
cursor = get_cursor()
props = {
'currentPage': 'posts',
'service': service if service else 'patreon'
}
query = 'SELECT * FROM booru_posts '
query += 'WHERE id = %s '
params = (post,)
query += 'AND booru_posts.user = %s '
params += (id,)
query += 'AND service = %s '
params += (service,)
query += 'ORDER BY added asc'
cursor.execute(query, params)
results = cursor.fetchall()
result_previews = []
result_attachments = []
for post in results:
previews = []
attachments = []
if len(post['file']):
if re.search("\.(gif|jpe?g|jpe|png|webp)$", post['file']['path'], re.IGNORECASE):
previews.append({
'type': 'thumbnail',
'path': post['file']['path'].replace('https://kemono.party','')
})
else:
attachments.append({
'path': post['file']['path'],
'name': post['file']['name']
})
if len(post['embed']):
previews.append({
'type': 'embed',
'url': post['embed']['url'],
'subject': post['embed']['subject'],
'description': post['embed']['description']
})
for attachment in post['attachments']:
if re.search("\.(gif|jpe?g|jpe|png|webp)$", attachment['path'], re.IGNORECASE):
previews.append({
'type': 'thumbnail',
'path': attachment['path'].replace('https://kemono.party','')
})
else:
attachments.append({
'path': attachment['path'],
'name': attachment['name']
})
result_previews.append(previews)
result_attachments.append(attachments)
props['posts'] = results[0]
response = make_response(render_template(
'post.html',
props = props,
results = results,
result_previews = result_previews,
result_attachments = result_attachments
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/board')
def board():
props = {
'currentPage': 'board'
}
response = make_response(render_template(
'board_list.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/requests')
def requests_list():
props = {
'currentPage': 'requests'
}
base = request.args.to_dict()
base.pop('o', None)
if not request.args.get('commit'):
query = "SELECT * FROM requests "
query += "WHERE status = 'open' "
query += "ORDER BY votes desc "
query += "OFFSET %s "
offset = request.args.get('o') if request.args.get('o') else 0
params = (offset,)
query += "LIMIT 25"
else:
query = "SELECT * FROM requests "
query += "WHERE title ILIKE %s "
params = ('%' + request.args.get('q') + '%',)
if request.args.get('service'):
query += "AND service = %s "
params += (request.args.get('service'),)
query += "AND service != 'discord' "
if request.args.get('max_price'):
query += "AND price <= %s "
params += (request.args.get('max_price'),)
query += "AND status = %s "
params += (request.args.get('status'),)
query += "ORDER BY " + {
'votes': 'votes',
'created': 'created',
'price': 'price'
}.get(request.args.get('sort_by'), 'votes')
query += {
'asc': ' asc ',
'desc': ' desc '
}.get(request.args.get('order'), 'desc')
query += "OFFSET %s "
offset = request.args.get('o') if request.args.get('o') else 0
params += (offset,)
query += "LIMIT 25"
cursor = get_cursor()
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(render_template(
'requests_list.html',
props = props,
results = results,
base = base
), 200)
return response
@app.route('/requests/<id>/vote_up', methods=['POST'])
def vote_up(id):
ip = request.headers.getlist("X-Forwarded-For")[0].rpartition(' ')[-1] if 'X-Forwarded-For' in request.headers else request.remote_addr
query = "SELECT * FROM requests WHERE id = %s"
params = (id,)
cursor = get_cursor()
cursor.execute(query, params)
result = cursor.fetchone()
props = {
'currentPage': 'requests',
'redirect': request.args.get('Referer') if request.args.get('Referer') else '/requests'
}
if not len(result):
abort(404)
hash = sha256(ip.encode()).hexdigest()
if hash in result.get('ips'):
props['message'] = 'You already voted on this request.'
return make_response(render_template(
'error.html',
props = props
), 401)
else:
record = result.get('ips')
record.append(hash)
query = "UPDATE requests SET votes = votes + 1,"
query += "ips = %s "
params = (record,)
query += "WHERE id = %s"
params += (id,)
cursor.execute(query, params)
return make_response(render_template(
'success.html',
props = props
), 200)
@app.route('/requests/new')
def request_form():
props = {
'currentPage': 'requests'
}
response = make_response(render_template(
'requests_new.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/requests/new', methods=['POST'])
def request_submit():
props = {
'currentPage': 'requests',
'redirect': request.args.get('Referer') if request.args.get('Referer') else '/requests'
}
ip = request.headers.getlist("X-Forwarded-For")[0].rpartition(' ')[-1] if 'X-Forwarded-For' in request.headers else request.remote_addr
if not request.form.get('user_id'):
props['message'] = 'You didn\'t enter a user ID.'
return make_response(render_template(
'error.html',
props = props
), 400)
if getenv('TELEGRAMTOKEN'):
snippet = ''
with open('views/requests_new.html', 'r') as file:
snippet = file.read()
requests.post(
'https://api.telegram.org/bot' + getenv('TELEGRAMTOKEN') + '/sendMessage',
params = {
'chat_id': '-' + getenv('TELEGRAMCHANNEL'),
'parse_mode': 'HTML',
'text': render_template_string(snippet)
}
)
filename = ''
try:
if 'image' in request.files:
image = request.files['image']
if image and image.filename and allowed_file(image.content_type, ['png', 'jpeg', 'gif']):
filename = original = slugify_filename(secure_filename(image.filename))
tmp = join('/tmp', filename)
image.save(tmp)
limit = int(getenv('REQUESTS_IMAGES')) if getenv('REQUESTS_IMAGES') else 1048576
if stat(tmp).st_size > limit:
abort(413)
makedirs(join(getenv('DB_ROOT'), 'requests', 'images'), exist_ok=True)
store = join(getenv('DB_ROOT'), 'requests', 'images', filename)
copy = 1
while isfile(store):
filename = splitext(original)[0] + '-' + str(copy) + splitext(original)[1]
store = join(getenv('DB_ROOT'), 'requests', 'images', filename)
copy += 1
move(tmp, store)
except Exception as error:
props['message'] = 'Failed to upload image. Error: {}'.format(error)
return make_response(render_template(
'error.html',
props = props
), 500)
scrub = Cleaner(tags = [])
text = Cleaner(tags = ['br'])
columns = ['service','"user"','title','description','price','ips']
description = request.form.get('description').strip().replace('\n', '<br>\n')
params = (
scrub.clean(request.form.get('service')),
scrub.clean(request.form.get('user_id').strip()),
scrub.clean(request.form.get('title').strip()),
text.clean(description),
scrub.clean(request.form.get('price').strip()),
[sha256(ip.encode()).hexdigest()]
)
if request.form.get('specific_id'):
columns.append('post_id')
params += (scrub.clean(request.form.get('specific_id').strip()),)
if filename:
columns.append('image')
params += (join('/requests', 'images', filename),)
data = ['%s'] * len(params)
query = "INSERT INTO requests ({fields}) VALUES ({values})".format(
fields = ','.join(columns),
values = ','.join(data)
)
cursor = get_cursor()
cursor.execute(query, params)
return make_response(render_template(
'success.html',
props = props
), 200)
@app.route('/importer')
def importer():
props = {
'currentPage': 'import'
}
response = make_response(render_template(
'importer_list.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/importer/tutorial')
def importer_tutorial():
props = {
'currentPage': 'import'
}
response = make_response(render_template(
'importer_tutorial.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/importer/ok')
def importer_ok():
props = {
'currentPage': 'import'
}
response = make_response(render_template(
'importer_ok.html',
props = props
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/importer/status/<id>')
def importer_status(id):
cursor = get_cursor()
query = "SELECT FROM logs WHERE to_tsvector(\'english\', log0) @@ websearch_to_tsquery(%s)"
params = ('kemono:importer:status:' + id,)
cursor.execute(query, params)
results = cursor.fetchall()
props = {
'currentPage': 'import'
}
response = make_response(render_template(
'importer_status.html',
props = props,
results = results
), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
### API ###
@app.route('/api/import', methods=['POST'])
def importer_submit():
host = getenv('ARCHIVERHOST')
port = getenv('ARCHIVERPORT') if getenv('ARCHIVERPORT') else '8000'
try:
r = requests.post(
f'http://{host}:{port}/api/import',
json = {
'service': request.form.get("service"),
'session_key': request.form.get("session_key"),
'channel_ids': request.form.get("channel_ids")
},
params = {
'service': request.form.get("service"),
'session_key': request.form.get("session_key"),
'channel_ids': request.form.get("channel_ids")
}
)
r.raise_for_status()
# in new importer, return just the id instead of a whole page
props = {
'currentPage': 'import',
}
return make_response(render_template(
'success.html',
props = props
), 200)
except Exception as e:
return f'Error while connecting to archiver. Is it running? Error: {e}', 500
# TODO: file sharing api (/api/upload)
@app.route('/api/bans')
def bans():
cursor = get_cursor()
query = "SELECT * FROM dnp"
cursor.execute(query)
results = cursor.fetchall()
return make_response(jsonify(results), 200)
@app.route('/api/recent')
def recent():
cursor = get_cursor()
query = "SELECT * FROM booru_posts ORDER BY added desc "
params = ()
offset = request.args.get('o') if request.args.get('o') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 50 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(jsonify(results), 200)
response.headers['Cache-Control'] = 'max-age=60, public, stale-while-revalidate=2592000'
return response
@app.route('/api/lookup')
def lookup():
if (request.args.get('q') is None):
return make_response('Bad request', 400)
cursor = get_cursor()
query = "SELECT * FROM lookup "
params = ()
query += "WHERE name ILIKE %s "
params += ('%' + request.args.get('q') + '%',)
if (request.args.get('service')):
query += "AND service = %s "
params += (request.args.get('service'),)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 150 else 50
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(jsonify(list(map(lambda x: x['id'], results))), 200)
return response
@app.route('/api/discord/channels/lookup')
def discord_lookup():
cursor = get_cursor()
query = "SELECT channel FROM discord_posts WHERE server = %s GROUP BY channel"
params = (request.args.get('q'),)
cursor.execute(query, params)
channels = cursor.fetchall()
lookup = []
for x in channels:
cursor = get_cursor()
cursor.execute("SELECT * FROM lookup WHERE service = 'discord-channel' AND id = %s", (x['channel'],))
lookup_result = cursor.fetchall()
lookup.append({ 'id': x['channel'], 'name': lookup_result[0]['name'] if len(lookup_result) else '' })
response = make_response(jsonify(lookup))
return response
@app.route('/api/discord/channel/<id>')
def discord_channel(id):
cursor = get_cursor()
query = "SELECT * FROM discord_posts WHERE channel = %s ORDER BY published desc "
params = (id,)
offset = request.args.get('skip') if request.args.get('skip') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 150 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
return jsonify(results)
@app.route('/api/lookup/cache/<id>')
def lookup_cache(id):
if (request.args.get('service') is None):
return make_response('Bad request', 400)
cursor = get_cursor()
query = "SELECT * FROM lookup WHERE id = %s AND service = %s"
params = (id, request.args.get('service'))
cursor.execute(query, params)
results = cursor.fetchall()
response = make_response(jsonify({ "name": results[0]['name'] if len(results) > 0 else '' }))
return response
@app.route('/api/<service>/user/<user>/lookup')
def user_search(service, user):
if (request.args.get('q') and len(request.args.get('q')) > 35):
return make_response('Bad request', 400)
cursor = get_cursor()
query = "SELECT * FROM booru_posts WHERE \"user\" = %s AND service = %s "
params = (user, service)
query += "AND to_tsvector(content || ' ' || title) @@ websearch_to_tsquery(%s) "
params += (request.args.get('q'),)
query += "ORDER BY published desc "
offset = request.args.get('o') if request.args.get('o') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 150 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
return jsonify(results)
@app.route('/api/<service>/user/<user>/post/<post>')
def post_api(service, user, post):
cursor = get_cursor()
query = "SELECT * FROM booru_posts WHERE id = %s AND \"user\" = %s AND service = %s ORDER BY added asc"
params = (post, user, service)
cursor.execute(query, params)
results = cursor.fetchall()
print(results)
return jsonify(results)
@app.route('/api/<service>/user/<user>/post/<post>/flag')
def flag_api(service, user, post):
cursor = get_cursor()
query = "SELECT * FROM booru_flags WHERE id = %s AND \"user\" = %s AND service = %s"
params = (post, user, service)
cursor.execute(query, params)
results = cursor.fetchall()
return "", 200 if len(results) else 404
@app.route('/api/<service>/user/<user>/post/<post>/flag', methods=["POST"])
def new_flag_api(service, user, post):
cursor = get_cursor()
query = "SELECT * FROM booru_posts WHERE id = %s AND \"user\" = %s AND service = %s"
params = (post, user, service)
cursor.execute(query, params)
results = cursor.fetchall()
if len(results) == 0:
return "", 404
cursor2 = get_cursor()
query2 = "SELECT * FROM booru_flags WHERE id = %s AND \"user\" = %s AND service = %s"
params2 = (post, user, service)
cursor2.execute(query2, params2)
results2 = cursor.fetchall()
if len(results2) > 0:
# conflict; flag already exists
return "", 409
scrub = Cleaner(tags = [])
columns = ['id','"user"','service']
params = (
scrub.clean(post),
scrub.clean(user),
scrub.clean(service)
)
data = ['%s'] * len(params)
query = "INSERT INTO booru_flags ({fields}) VALUES ({values})".format(
fields = ','.join(columns),
values = ','.join(data)
)
cursor3 = get_cursor()
cursor3.execute(query, params)
return "", 200
@app.route('/api/<service>/user/<id>')
@cache.cached(key_prefix=make_cache_key)
def user_api(service, id):
cursor = get_cursor()
query = "SELECT * FROM booru_posts WHERE \"user\" = %s AND service = %s ORDER BY published desc "
params = (id, service)
offset = request.args.get('o') if request.args.get('o') else 0
query += "OFFSET %s "
params += (offset,)
limit = request.args.get('limit') if request.args.get('limit') and int(request.args.get('limit')) <= 50 else 25
query += "LIMIT %s"
params += (limit,)
cursor.execute(query, params)
results = cursor.fetchall()
return jsonify(results)