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Google Calendar API Autherization

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This commit is contained in:
samerbam 2023-08-26 23:26:55 -04:00
parent 4f5a6e67af
commit 3adcff562f
8 changed files with 423 additions and 34 deletions
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1
.firsttimeruncheck Normal file
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@ -0,0 +1 @@
true

1
.gitignore vendored
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@ -5,6 +5,7 @@
# App Specific
sudoku*.png
data.json
client_secret.json
# Byte-compiled / optimized / DLL files
__pycache__/

5
application/TODO Normal file
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@ -0,0 +1,5 @@
TODO:
- check if first run (api call) and show google calendar login button
* schedule pypi every().day() or smth like that at (time to print)-5 minutes to update calendar and get ready to print new daily list
* parse calendar list to database format and call save_todos() with list of Todos
- Start uvicorn on device startup (using gunicorn + sysmtectl)

104
application/main.py
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@ -10,14 +10,17 @@ from fastapi.staticfiles import StaticFiles
from .utils import VerifyToken
from .database import TodoDatabase
from .thermal_print import ThermalPrinter
from .sync_calendar import SyncData
import errno
import os
# from wsgiref import simple_server
# Creates app instance
app = FastAPI()
auth = VerifyToken()
data = TodoDatabase()
calendar = SyncData()
printer = ThermalPrinter(data)
# printer.print_default() #temp debug
# printer.print_custom("Configuration Site: \n\n")
@ -69,21 +72,104 @@ class GoogleUpdate(BaseModel):
# }
# return result
# import google.oauth2.credentials
# import google_auth_oauthlib.flow
# import googleapiclient.discovery
# from google.auth.transport.requests import Request
# from google.oauth2.credentials import Credentials
# import os
# import json
# from google_auth_oauthlib.flow import InstalledAppFlow
# from googleapiclient.discovery import build
# from googleapiclient.errors import HttpError
# scopes =
# SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
@app.post("/api/google/update")
def write_todos(code: GoogleUpdate, auth_result: str = Security(auth.verify)):
print(code.code)
def google_update(googleCode: GoogleUpdate, auth_result: str = Security(auth.verify)):
if calendar.get_new_creds(googleCode.code):
calendar.get_calendar_events()
with open(".firsttimeruncheck", 'w') as f:
f.write("true")
return {"status": "success"}
return {"status": "error"}
# print(googleCode.code)
# creds = None
# if os.path.exists('token.json'):
# creds = Credentials.from_authorized_user_file('token.json', SCOPES)
# # else:
# # flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
# # 'client_secret.json',
# # scopes=['https://www.googleapis.com/auth/calendar.readonly'],
# # redirect_uri="postmessage"
# # # state=state
# # )
# # creds = flow.fetch_token(code=googleCode.code)
# # print(creds)
# # with open("token.json", 'w') as token:
# # token.write(creds.to_json())
# if not creds or not creds.valid:
# if creds and creds.expired and creds.refresh_token:
# creds.refresh(Request())
# else:
# # flow = InstalledAppFlow.from_client_secrets_file(
# # 'credentials.json', SCOPES)
# # creds = flow.run_local_server(port=0)
# flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
# 'client_secret.json',
# scopes=SCOPES,
# redirect_uri="postmessage"
# # state=state
# )
# flow.fetch_token(code=googleCode.code)
# creds = flow.credentials
# # print(creds)
# # Save the credentials for the next run
# with open('token.json', 'w') as token:
# token.write(creds.to_json())
# # json.dump(token, creds)
# # if not creds or not creds.valid:
# # return {"status": "google already autherized"}
# # creds = Credentials.from_authorized_user_file('token.json', SCOPES)
@app.get('/api/first_run')
def first_run():
try:
with open('.firsttimeruncheck', 'x') as f:
f.write("")
return {"status": "First Run"}
except OSError as e:
print(e)
if e.errno == errno.EEXIST:
if os.path.exists('.firsttimeruncheck'):
with open('.firsttimeruncheck', 'r') as f:
data = f.read()
if data == "true":
return {"status": "Not First Run"}
else:
with open('.firsttimeruncheck', 'w') as f:
f.write("false")
return {"status": "First Run"}
# try:
# with open('.firsttimeruncheck', 'x') as f:
# f.write("")
# return {"status": "First Run"}
# except OSError as e:
# print(e)
# if e.errno == errno.EEXIST:
# return {"status": "Not First Run"}

106
application/static/index.html
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@ -18,8 +18,17 @@
</div>
<button onclick="client.requestCode();">Authorize with Google</button>
<div id="googleAuthModel" class="absolute w-full h-full overflow-y-hidden top-0 left-0 hidden">
<div class="flex flex-row w-full justify-center items-center text-center h-screen">
<div class="absolute w-full h-full bg-slate-800 opacity-40 top-0 left-0"></div>
<div class="bg-white inline-block rounded-lg overflow-hidden align-bottom transition-all transform shadow-2xl sm:my-8 sm:align-middle sm:max-w-xl sm:w-full pt-6 pb-6">
<h3 class="font-semibold ">Link your google calendar: </h3><br>
<button class="bg-indigo-500 text-white p-4 rounded-md" onclick="client.requestCode();">Authorize with Google</button>
</div>
</div>
</div>
<!-- <div id="testToken"></div> -->
@ -453,28 +462,83 @@
<script src="https://accounts.google.com/gsi/client"></script>
<script type="text/javascript">
let code_receiver_uri = "/api/google/update"
// let first_run = null
// let test =
// console.log(test)
const client = google.accounts.oauth2.initCodeClient({
client_id: '186960779149-ejtu6hh3kdatlouau80h2pivt4tv3hd0.apps.googleusercontent.com',
scope: 'https://www.googleapis.com/auth/calendar.readonly',
ux_mode: 'popup',
callback: (response) => {
const xhr = new XMLHttpRequest();
xhr.open('POST', code_receiver_uri, true);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.setRequestHeader('Authorization', 'Bearer ' + jToken);
// Set custom header for CRSF
xhr.setRequestHeader('X-Requested-With', 'XmlHttpRequest');
xhr.onload = function() {
console.log('Auth code response: ' + xhr.responseText);
};
xhr.send(JSON.stringify({"code": response.code}));
console.log(xhr)
console.log(response.code)
},
});
// let client = null
// async function mainAsync() {
// console.log('huh')
// async function check_first_run() {
// let res = await fetch("/api/first_run")
// let resJ = await res.json()
// return resJ
// // return fetch("/api/first_run").then(r => {
// // return r.json().then(j => {
// // first_run = j
// // console.log(j)
// // return j
// // })
// // })
// }
// let first_run_status = await check_first_run()
// if (first_run_status["status"] === "First Run") {
// document.getElementById("googleAuthModel").classList.remove("hidden")
// let code_receiver_uri = "/api/google/update"
// client = google.accounts.oauth2.initCodeClient({
// client_id: '186960779149-ejtu6hh3kdatlouau80h2pivt4tv3hd0.apps.googleusercontent.com',
// scope: 'https://www.googleapis.com/auth/calendar.readonly',
// ux_mode: 'popup',
// callback: (response) => {
// const xhr = new XMLHttpRequest();
// xhr.open('POST', code_receiver_uri, true);
// xhr.setRequestHeader('Content-Type', 'application/json');
// xhr.setRequestHeader('Authorization', 'Bearer ' + jToken);
// // Set custom header for CRSF
// xhr.setRequestHeader('X-Requested-With', 'XmlHttpRequest');
// xhr.onload = function() {
// console.log('Auth code response: ' + xhr.responseText);
// document.getElementById("googleAuthModel").classList.add("hidden")
// };
// xhr.send(JSON.stringify({"code": response.code}));
// console.log(xhr)
// console.log(response.code)
// },
// });
// }
// // console.log(test)
// // console.log(first_run)
// // function check_first_run() {
// // let first_run = ""
// // const req = new XMLHttpRequest();
// // // req.addEventListener("load", reqListener);
// // req.open("GET", "/api/first_run", false);
// // req.onload = function() {
// // first_run = req.responseText
// // // console.log(first_run)
// // }
// // req.send();
// // return first_run
// // console.log(first_run)
// // }
// // console.log(check_first_run())
// }
// mainAsync()
</script>
<script src="scripts.js"></script>

74
application/static/scripts.js
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@ -638,6 +638,7 @@ function loginAction(e) {
// console.log(t)
jToken = t
getTodosFromAPI()
mainAsync()
// document.getElementById("testToken").innerHTML = t
@ -670,6 +671,79 @@ function loginAction(e) {
};
let client = null
async function mainAsync() {
console.log('run async')
async function check_first_run() {
let res = await fetch("/api/first_run")
let resJ = await res.json()
return resJ
// return fetch("/api/first_run").then(r => {
// return r.json().then(j => {
// first_run = j
// console.log(j)
// return j
// })
// })
}
let first_run_status = await check_first_run()
if (first_run_status["status"] === "First Run") {
document.getElementById("googleAuthModel").classList.remove("hidden")
let code_receiver_uri = "/api/google/update"
client = google.accounts.oauth2.initCodeClient({
client_id: '186960779149-ejtu6hh3kdatlouau80h2pivt4tv3hd0.apps.googleusercontent.com',
scope: 'https://www.googleapis.com/auth/calendar.readonly',
ux_mode: 'popup',
callback: (response) => {
const xhr = new XMLHttpRequest();
xhr.open('POST', code_receiver_uri, true);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.setRequestHeader('Authorization', 'Bearer ' + jToken);
// Set custom header for CRSF
xhr.setRequestHeader('X-Requested-With', 'XmlHttpRequest');
xhr.onload = function() {
console.log('Auth code response: ' + xhr.responseText);
document.getElementById("googleAuthModel").classList.add("hidden")
};
xhr.send(JSON.stringify({"code": response.code}));
console.log(xhr)
console.log(response.code)
},
});
}
// console.log(test)
// console.log(first_run)
// function check_first_run() {
// let first_run = ""
// const req = new XMLHttpRequest();
// // req.addEventListener("load", reqListener);
// req.open("GET", "/api/first_run", false);
// req.onload = function() {
// first_run = req.responseText
// // console.log(first_run)
// }
// req.send();
// return first_run
// console.log(first_run)
// }
// console.log(check_first_run())
}
function getTodosFromAPI(day=dayjs().format("YYYY-MM-DD")) {
document.getElementById("loginPanel").classList.add("hidden")

157
application/sync_calendar.py
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@ -1,7 +1,164 @@
#TODO: All Google/iCloud Calendar syncing logic here
import google_auth_oauthlib.flow
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
import os
import json
import datetime
from .database import TodoDatabase
data = TodoDatabase()
from datetime import datetime, time, timedelta
import pytz
from zoneinfo import ZoneInfo
from datetime import timezone
def midnight_UTC(offset):
# Construct a timezone object
tz = pytz.timezone('America/Toronto')
# Work out today/now as a timezone-aware datetime
today = datetime.now(tz)
# Adjust by the offset. Note that that adding 1 day might actually move us 23 or 25
# hours into the future, depending on daylight savings. This works because the {today}
# variable is timezone aware
target_day = today + timedelta(days=1) * offset
# Discard hours, minutes, seconds and microseconds
midnight_aware = tz.localize(
datetime.combine(target_day, time(0, 0, 0, 0)), is_dst=None)
# Convert to UTC
midnight_UTC = midnight_aware.astimezone(pytz.utc)
return midnight_UTC
class SyncData():
def __init__(self):
self.SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
self.creds = None
self.get_new_creds()
self.get_calendar_events()
def get_new_creds(self, code=""):
"""Returns True if successfully obtains credentials,
otherwise throws errors according to functions called, unless
code='' in which case if no saved credentials are found, returns False
"""
if os.path.exists('token.json'):
self.creds = Credentials.from_authorized_user_file('token.json', self.SCOPES)
# else:
# flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
# 'client_secret.json',
# scopes=['https://www.googleapis.com/auth/calendar.readonly'],
# redirect_uri="postmessage"
# # state=state
# )
# creds = flow.fetch_token(code=googleCode.code)
# print(creds)
# with open("token.json", 'w') as token:
# token.write(creds.to_json())
if not self.creds or not self.creds.valid:
if self.creds and self.creds.expired and self.creds.refresh_token:
self.creds.refresh(Request())
else:
if code == "":
return False
# flow = InstalledAppFlow.from_client_secrets_file(
# 'credentials.json', SCOPES)
# creds = flow.run_local_server(port=0)
flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
'client_secret.json',
scopes=self.SCOPES,
redirect_uri="postmessage"
# state=state
)
flow.fetch_token(code=code)
self.creds = flow.credentials
# print(creds)
# Save the credentials for the next run
with open('token.json', 'w') as token:
token.write(self.creds.to_json())
# json.dump(token, creds)
return True
def get_calendar_events(self, day=None):
self.get_new_creds()
# now = datetime.now()
# if day:
# now = datetime.datetime.strptime(day, "%Y-%m-%d")
# else:
# now = datetime.datetime.now()
# day_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
# day_end = day_start + datetime.timedelta(hours=24)
# day_start = day_start.isoformat() + "Z"
# day_end = day_end.isoformat() + "Z"
if day:
pass
else:
# day_start = midnight_UTC(0).isoformat() + "Z"
# day_end = midnight_UTC(1).isoformat() + "Z"
day_start = datetime.combine(datetime.now(tz=ZoneInfo("America/Toronto")).date(), time(0, 0), tzinfo=ZoneInfo("America/Toronto"))
day_end = day_start + timedelta(hours=23,minutes=59)
# day_start_for = day_start.astimezone(ZoneInfo("UTC")).isoformat() + "Z"
# day_end_for = day_end.astimezone(ZoneInfo("UTC")).isoformat() + "Z"
day_start_for = day_start.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ')
day_end_for = day_end.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ')
# print(day_start.tzname())
print(day_start)
print(day_end)
print(day_start.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ'))
print(day_end.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ'))
print(datetime.utcnow().isoformat() + 'Z')
try:
service = build('calendar', 'v3', credentials=self.creds)
# Call the Calendar API
# now = datetime.datetime.utcnow().isoformat() + 'Z' # 'Z' indicates UTC time
print('Getting all upcoming events for time range: ' + day_start_for + " to " + day_end_for)
events_result = service.events().list(calendarId='primary', timeMin=day_start_for, timeMax=day_end_for,
singleEvents=True, orderBy='startTime').execute()
events = events_result.get('items', [])
if not events:
print('No upcoming events found.')
return
# Prints the start and name of the next 10 events
# event format: {'kind': 'calendar#event', 'etag': '"3386046190326000"', 'id': '0migcv6t729ph1kirhiauej3eh', 'status': 'confirmed', 'htmlLink': 'https://www.google.com/calendar/event?eid=MG1pZ2N2NnQ3MjlwaDFraXJoaWF1ZWozZWggYmFtLmltLnNhbUBt', 'created': '2023-08-26T04:11:35.000Z', 'updated': '2023-08-26T04:11:35.163Z', 'summary': 'test', 'creator': {'email': 'bam.im.sam@gmail.com', 'self': True}, 'organizer': {'email': 'bam.im.sam@gmail.com', 'self': True}, 'start': {'dateTime': '2023-08-27T14:30:00-04:00', 'timeZone': 'America/Toronto'}, 'end': {'dateTime': '2023-08-27T15:30:00-04:00', 'timeZone': 'America/Toronto'}, 'iCalUID': '0migcv6t729ph1kirhiauej3eh@google.com', 'sequence': 0, 'reminders': {'useDefault': True}, 'eventType': 'default'}
for event in events:
print(event)
start = event['start'].get('dateTime', event['start'].get('date'))
end = event['end'].get('dateTime', event['end'].get('date'))
print(start, "->", end, event['summary'])
except HttpError as error:
print('An error occurred: %s' % error)
#TODO: Obtain calendar data and save to local database, parse into printable content

1
client_secret.json.example Normal file
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@ -0,0 +1 @@
{"web":{"client_id":"","project_id":"thermaltodos","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"","javascript_origins":["https://thermaltodos.imsam.ca"]}}