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12 changed files with 52 additions and 374 deletions

8
app/dummy.env Normal file
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CLIENT_ID=
CLIENT_SECRET=
REDIRECT_URI=
OPTIONAL_SCOPES=
DATABASE_URL=
# generated by `openssl rand -hex 24` - used to encrypt session
APP_SECRET_KEY=

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import os
from flask import Flask, render_template, request, redirect, abort
import requests
def get_env_variable(var_name):
value = os.environ.get(var_name)
if not value:
raise ValueError(f"Missing required environment variable: {var_name}")
return value
app = Flask(__name__)
# Read environment variables outside the route function
client_id = get_env_variable('CLIENT_ID')
redirect_uri = get_env_variable('REDIRECT_URI')
optional_scopes = get_env_variable('OPTIONAL_SCOPES')
database_url = get_env_variable('DATABASE_URL')
csrf_protection_string = None
@app.route('/')
def home():
if is_logged_in():
return render_template('success.html')
# Generate a CSRF protection string
global csrf_protection_string
csrf_protection_string = os.urandom(16).hex()
# Pass dynamic variables to the template
return render_template('index.html', client_id=client_id, redirect_uri=redirect_uri,
optional_scopes=optional_scopes, csrf_protection_string=csrf_protection_string)
@app.route('/oauth-redirect')
def oauth_redirect():
auth_code = request.args.get('code')
csrf_token = request.args.get('state')
# Verify the CSRF protection string
if csrf_token != csrf_protection_string:
abort(400, 'Invalid CSRF token. Please try again.')
# Exchange authorization code for access and refresh tokens
response = requests.post(
'https://www.inoreader.com/oauth2/token',
headers={
'Content-Type': 'application/x-www-form-urlencoded',
'User-agent': 'your-user-agent'
},
data={
'code': auth_code,
'redirect_uri': get_env_variable('REDIRECT_URI'),
'client_id': get_env_variable('CLIENT_ID'),
'client_secret': get_env_variable('CLIENT_SECRET'),
'scope': '',
'grant_type': 'authorization_code'
}
)
response.raise_for_status()
tokens = response.json()
# Save tokens for later use
save_tokens(tokens['access_token'], tokens['refresh_token'], tokens['expires_in'])
return redirect('/')
def is_logged_in():
response = requests.get(f'{database_url}/token/latest')
response.raise_for_status()
if response.status_code == 204:
return False
elif response.status_code == 200:
resp_json = response.json()
return resp_json['token']['expiration_seconds'] + resp_json['token']['timestamp'] > datetime.now().timestamp()
return False
def save_tokens(access_token, refresh_token, expiration_seconds):
response = requests.post(
f'{database_url}/token',
headers={
'Content-Type': 'application/json'
},
json={
'access_token': access_token,
'refresh_token': refresh_token,
'expiration_seconds': expiration_seconds
}
)
response.raise_for_status()
if __name__ == '__main__':
app.run(debug=True, port=5000)

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Flask==3.0.1
requests==2.31.0

28
app/templates/home.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Inoreader To Readwise</title>
</head>
<body>
<h1>Logged In as {{ user_login }} - {{ user_email }}</h1>
<!-- show last synced and next synced time -->
<p>Last Synced: {{ last_synced }}</p>
<p>Next Sync: {{ next_sync }}</p>
<br>
<!-- Take readiwse api key input -->
<form action="/readwise" method="POST">
<label for="api_key">Readwise API Key</label>
<input type="text" name="readwise_api_key" id="api_key", value="{{ readwise_api_key }}" required>
<input type="submit" value="Submit">
</form>
<!-- Logout -->
<form action="/logout" method="POST">
<input type="submit" value="Logout">
</form>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Simple Frontend</title>
</head>
<body>
<button onclick="redirectToOAuth()">Click Me</button>
<script>
function redirectToOAuth() {
// Encode URL components using Jinja filters
var encodedRedirectUri = encodeURIComponent('{{ redirect_uri }}');
var encodedOptionalScopes = encodeURIComponent('{{ optional_scopes }}');
// Construct the URL using Jinja variables
var oauthUrl = `https://www.inoreader.com/oauth2/auth?client_id={{ client_id }}&redirect_uri=${encodedRedirectUri}&response_type=code&scope=${encodedOptionalScopes}&state={{ csrf_protection_string }}`;
// Redirect to the constructed URL
window.location.href = oauthUrl;
}
</script>
</body>
</html>

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app/templates/login.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Inoreader To Readwise</title>
</head>
<body>
<!-- <button onclick="redirectToOAuth()">Login using inoreader</button> -->
<a href="{{oauth_url}}">Login via InoReader</a>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Simple Frontend</title>
</head>
<body>
<h1>Logged In!</h1>
</body>
</html>

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from flask import Flask, jsonify, request
from flask_sqlalchemy import SQLAlchemy
from datetime import datetime
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///tokens.db' # Use SQLite for simplicity
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
class Token(db.Model):
id = db.Column(db.Integer, primary_key=True)
access_token = db.Column(db.String(255), nullable=False)
refresh_token = db.Column(db.String(255), nullable=False)
expiration_seconds = db.Column(db.Integer, nullable=False)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
def __repr__(self):
return f'<Token {self.id}>'
# Create an application context
with app.app_context():
db.create_all()
# API to create a new token entry
@app.route('/token', methods=['POST'])
def create_token():
data = request.get_json()
access_token = data.get('access_token')
refresh_token = data.get('refresh_token')
expiration_seconds = data.get('expiration_seconds')
new_token = Token(access_token=access_token, refresh_token=refresh_token, expiration_seconds=expiration_seconds)
db.session.add(new_token)
db.session.commit()
return ('', 204)
# API to get the latest token entry
@app.route('/token/latest', methods=['GET'])
def get_latest_token():
latest_token = Token.query.order_by(Token.timestamp.desc()).first()
if latest_token:
token_info = {
'access_token': latest_token.access_token,
'refresh_token': latest_token.refresh_token,
'expiration_seconds': latest_token.expiration_seconds,
'timestamp': latest_token.timestamp.isoformat()
}
return jsonify({'token': token_info}), 200
else:
return '', 204
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000, debug=True)

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Flask==3.0.1
Flask-SQLAlchemy==3.1.1

3
job/dummy.env Normal file
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DATABASE_URL=
INOREADER_CLIENT_ID=
INOREADER_CLIENT_SECRET=

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import os
import time
import json
import requests
import logging
DATA_STORE_PATH = "/data/last_update_time.txt"
DATABASE_URL = os.getenv("DATABASE_URL")
logging.basicConfig(level=logging.INFO)
class APIHandler:
def __init__(self, base_url, headers={}):
self.base_url = base_url
self.headers = headers
def get(self, endpoint, params=None):
response = requests.get(self.base_url + endpoint, params=params, headers=self.headers)
response.raise_for_status()
return response.json()
def post(self, endpoint, data=None):
response = requests.post(self.base_url + endpoint, data=json.dumps(data), headers=self.headers)
response.raise_for_status()
return response.status_code
def get_last_update_time():
with open(DATA_STORE_PATH, 'r') as file:
return int(file.read().strip())
def update_last_update_time(new_time):
with open(DATA_STORE_PATH, 'w') as file:
file.write(str(new_time))
def get_new_annotations(last_annotation_time):
inoreader = APIHandler(
"https://www.inoreader.com/reader/api/0/stream/contents",
headers = {
'Authorization': 'Bearer ' + get_inoreader_access_token()
}
)
all_annotations = []
continuation = None
while True:
params = {
"annotations": 1,
"n": 100,
}
if continuation:
params["c"] = continuation
inoreader_response = inoreader.get(
"/user/-/state/com.google/annotated",
params=params
)
data = json.loads(inoreader_response)
for item in data["items"]:
annotations = item.get("annotations", [])
for annotation in annotations:
annotation['title'] = item['title']
annotation['author'] = item['author']
annotation['sources'] = item['canonical']
all_annotations.append(annotation)
if 'continuation' in data:
continuation = data['continuation']
time.sleep(900) # Sleep for 15 minutes between pages
else:
break
return [annotation for annotation in all_annotations if annotation['added_on'] > last_annotation_time]
def push_annotations_to_readwise(annotations):
readwise = APIHandler(
"https://readwise.io",
headers = {
'Authorization': 'Token ' + os.getenv("READWISE_ACCESS_TOKEN"),
'Content-Type': 'application/json'
}
)
readwise.post(
"/api/v2/highlights/",
data={
'highlights': [
{
'text': annotation['text'],
'title': annotation['title'],
'author': annotation['author'],
'note': annotation['note'],
'highlighted_at': annotation['added_on'],
'category': 'articles',
'source_url': annotation['sources'][0]['href'] if annotation['sources'] else None,
}
for annotation in annotations
]
}
)
def get_inoreader_access_token():
response = requests.get(f'{DATABASE_URL}/token/latest')
response.raise_for_status()
if response.status_code == 204:
# throw error - not logged in. Please log in first through the web app
raise Exception("Not logged in. Please log in first through the web app")
elif response.status_code == 200:
resp_json = response.json()
if resp_json['token']['expiration_seconds'] + resp_json['token']['timestamp'] > datetime.now().timestamp():
return resp_json['token']['access_token']
else:
return refresh_inoreader_access_token(resp_json['token']['refresh_token'])
access_token = get_token_from_database()
if not access_token:
access_token = refresh_inoreader_access_token()
if not access_token:
raise Exception("Unable to get access token. Try logging in again through the web app")
return access_token
def refresh_inoreader_access_token(refresh_token):
response = requests.post(
'https://www.inoreader.com/oauth2/token',
headers={
'Content-Type': 'application/x-www-form-urlencoded',
},
data={
'refresh_token': refresh_token,
'client_id': os.getenv("INOREADER_CLIENT_ID"),
'client_secret': os.getenv("INOREADER_CLIENT_SECRET"),
'grant_type': 'refresh_token'
}
)
response.raise_for_status()
tokens = response.json()
# Save tokens for later use
save_tokens(tokens['access_token'], tokens['refresh_token'], tokens['expires_in'])
return tokens['access_token']
def save_tokens(access_token, refresh_token, expiration_seconds):
response = requests.post(
f'{DATABASE_URL}/token',
headers={
'Content-Type': 'application/json'
},
json={
'access_token': access_token,
'refresh_token': refresh_token,
'expiration_seconds': expiration_seconds
}
)
response.raise_for_status()
def main():
while True:
try:
last_annotation_time = get_last_update_time()
new_annotations = get_new_annotations(last_annotation_time)
if new_annotations:
latest_added_on = max(annotation['added_on'] for annotation in new_annotations)
push_annotations_to_readwise(new_annotations)
update_last_update_time(latest_added_on)
else:
logging.info("No new annotations found")
time.sleep(86400) # Sleep for 24 hours
except Exception as e:
logging.error(f"An error occurred: {e}")
time.sleep(3600) # Sleep for 1 hour in case of error
if __name__ == "__main__":
main()

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requests==2.31.0