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schedule.lemmings.world

A10 , to fediverse in App to schedule posts on Lemmy
@A10@kerala.party avatar

How does it work? Can I trust this website?

Durotar ,
@Durotar@lemmy.ml avatar

I wouldn’t trust a website that wants your username and password.

Guster ,

How is that different from any other Lemmy client though?

Durotar ,
@Durotar@lemmy.ml avatar

With a mobile client, for example, you can check if it sends your password somewhere else, there are tools. If you use an open-source client then it’s even easier. Major clients have something that you could call reputation, though I wouldn’t put too much trust into it.

Here I know for a fact that my password goes to a third-party: https://i.imgur.com/Z69Atey.png

w2qw ,

Use a bot account to post if you are worried

Durotar ,
@Durotar@lemmy.ml avatar

I would if it was a bot instead of an obscure service that collects my credentials.

rikudou OP ,

I don’t store your password if that’s what you’re asking! I’m planning to make it open source once I make sure I didn’t accidentally leave any production secrets in the code.

Anyway, here’s how it works:

  • You log in using your account, the site checks whether it’s a valid account using api and if it is, it creates a JWT token that’s used to authenticate you against Lemmy. At this point your password is already forgotten and the site has no way of getting it.
    • The JWT token is effectively the same as having your password - it allows you to do the same things you could if you have logged in normally.
  • The JWT token is not stored on the server, it’s only in a cookie in your browser.
  • When you schedule a post, the post details, your instance, your username and your JWT token are stored in a job that gets scheduled to run later. This is the only part where any sensitive information (JWT) about you are stored somewhere else than your computer.
  • After the scheduled job is triggered, it authenticates as you and creates the post as if it were you, immediately afterwards the job config is deleted, meaning the JWT is no longer stored.
  • The JWT is stored in every scheduled post you make, meaning as long as you have any scheduled post, the JWT is stored somewhere. When all scheduled posts are posted, your JWT is no longer present anywhere on the backend.
  • Note that due to current technical limitations, even if you cancel a scheduled job, its config (including the JWT) is stored until the original scheduled time. This will be (probably) fixed in future versions when I have some time to work on it.

Hope it clarifies it, let me know if you don’t understand any part of it!

Trakata ,

deleted_by_author

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  • rikudou OP ,

    Yup, that’s right. I don’t do that, though. Which obviously you’ll have to trust me on (or don’t and don’t use it). It has been open sourced now, but that still doesn’t solve it and I’m obviously not gonna go and give people production access to my AWS account.

    I’m not saying you must use it, I’m just giving it here in case anyone wants to.

    Trakata ,

    deleted_by_author

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  • Fluba ,

    Do you have a recommendation for how OP can change things so you’re satisfied with your privacy?

    Trakata ,

    deleted_by_author

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  • rikudou OP ,

    Dude, I literally develop stuff all the time and have dozens of open source projects. Why the hell do you think I have the need for collecting your credentials? Use a fake account for all I care, the code is open source and you can read it.

    Trakata ,

    deleted_by_author

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  • rikudou OP ,

    clearly lied

    Where the hell did I lie? I’ve been open since the beginning. Are you a troll?

    unusually defensive when called out for stating fact

    You mean when someone told me to “do X or get the fuck out”? Are you fucking surprised I don’t like being told to fuck out? Where else have I been “unusually defensive”?

    Stop lying and making stuff up, please.

    Trakata ,

    Where the hell did I lie?

    Pretending to not store effective passwords and attempting to obfuscate the mechanism to less tech savvy users

    Stop lying and making stuff up, please.

    I haven’t, your code stores effective password access and gives you the ability to control other people’s accounts and you’ve done nothing to secure it in your little php framework and said “just trust me bro, I won’t use your account by proxy even thought this is exactly what this app does”

    Literally go fuck yourself.

    rikudou OP ,

    Now it makes sense. Next time lead with “my reading comprehension sucks” and people won’t be confused by your word diarrhoea.

    Durotar ,
    @Durotar@lemmy.ml avatar

    JWT token is not stored on the server

    JWT token are stored in a job that gets scheduled to run later

    Where’s the job stored?

    rikudou OP ,

    In a scheduling system. Probably bad wording on my part, sorry. I meant that it’s not stored anywhere for just logging in, though it’s stored as part of every scheduling job in the scheduling system.

    Tiritibambix , to selfhosted in Lemmy Schedule - app for scheduling posts and getting notified of new posts
    @Tiritibambix@lemmy.ml avatar

    That’s quite an achievement. Congratulations and thank you for your work.

    Are you still considering your options on “best time to post” feature ?

    rikudou OP ,

    Yes, currently swamped with work so I have to prioritize. I’ll get to it, though no promises on when.

    Tiritibambix ,
    @Tiritibambix@lemmy.ml avatar

    Good luck with work ♥️

    A10 , (edited ) to fediverse in App to schedule posts on Lemmy
    @A10@kerala.party avatar

    I am not feeling comfortable entering my login credentials to this website.

    Edit: I made this comment before OP shared the source code.

    rikudou OP ,

    Fine with me, I’m not forcing anyone to use it.

    Here’s how it works if you’re interested: a.lemmings.world/lemmings.world/comment/1083665

    Blaze ,
    @Blaze@discuss.tchncs.de avatar

    Thank you again, probably going to use it soon

    rikudou OP ,

    Let me know if there are any problems!

    Blaze ,
    @Blaze@discuss.tchncs.de avatar

    I will!

    max ,

    The creator of the tool is the admin of lemmings.world, and the tool is hosted at schedule.lemmings.world. So, if you have a user at lemmings.world, you can use this tool without having to trust a third-party.

    If you don’t have a user there, you can create a user in that instance for the purpose of creating scheduled posts. Removing the need to trust two parties rather than one.

    And, of course, since the source code is open anyone else can attach this to their own instance! Pretty cool.

    Sal , to fediverse in App to schedule posts on Lemmy
    @Sal@mander.xyz avatar

    Thank you for making this open source!

    rikudou OP ,

    No problem, it was planned right from the beginning to be open source, I just wanted to share it as soon as possible!

    Sal ,
    @Sal@mander.xyz avatar

    I would like to make a list at some point with several community integrations and ask my instance’s users whether they would like some of them installed into the instance. This application will definitely go on that list! I do need to take into consideration how many resources each of the apps consume, to make sure I don’t bloat my server. But this one seems quite light. Is it?

    rikudou OP ,

    The way I run it it’s entirely serverless and costs you close to nothing.

    • the application code runs on AWS Lambda (400,000 seconds per month free, time’s only counted when someone is actually making requests)
    • the static assets (CSS, JS etc.) are on S3/CloudFront (very small size, so less than $0.10)
    • event bridge scheduler is used for the scheduling (first 14,000,000 schedules per month are free)
    • sessions and “database” is in DynamoDB (you only pay for real requests, probably less than $0.10)

    All in all the app can be hosted for much less than $1/month like that. If you host it in a standard docker container or something, it probably won’t take much resources either, my guess would be less than 256 MB RAM (probably less than 100 MB) is needed and whatever your backend for scheduling takes (Redis would probably be the most straightforward choice).

    Blaze , to fediverse in App to schedule posts on Lemmy
    @Blaze@discuss.tchncs.de avatar

    That’s great, thank you for this!

    rikudou OP ,

    No problem, glad I could be of service!

    Blizzard , to fediverse in App to schedule posts on Lemmy

    What’s the usecase?

    rikudou OP ,

    I used it for example to post this very post at a time when people from US are most likely to engage (though I’m not sure if the Lemmy demographics is predominantly US, but my gut feeling is it is).

    freamon ,

    I think it would be useful to automate the posts for discussions following from the broadcast of a TV show, or a sports game.

    an0nym0us , (edited ) to fediverse in App to schedule posts on Lemmy
    @an0nym0us@lemmy.world avatar

    deleted_by_author

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  • rikudou OP ,

    What’s a “local version of this”?

    As a side note, have you considered actually being nice to people?

    an0nym0us , (edited )
    @an0nym0us@lemmy.world avatar

    deleted_by_author

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  • rikudou OP ,

    I totally get your demands and they’re fine with me! What I don’t particularly enjoy is being told to “GTFO”.

    an0nym0us , (edited )
    @an0nym0us@lemmy.world avatar

    deleted_by_author

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  • rikudou OP ,

    Just stop, please. You told me to GTFO and I don’t like it. Learn to communicate, please. Yes, I’m super, super defensive when someone tells me to fuck off.

    Blaze ,
    @Blaze@discuss.tchncs.de avatar

    This level of negativity is insane. Sorry you have to go through that.

    rikudou OP ,

    Not my first rodeo with releasing software, there are always people like that.

    DmMacniel , to fediverse in App to schedule posts on Lemmy

    Is the source open? How would we be able to trust you with our credentials?

    rikudou OP , (edited )

    It will be before the end of today (CEST), currently I’m checking whether I accidentally didn’t commit any production secrets.

    Edit: Done, source code is here: github.com/RikudouSage/LemmySchedule

    DmMacniel ,

    Very much appreciated!

    Am I the only one who thinks it’s funny how the name “Lemmy Schedule” sounds like “let me schedule”?

    No, you are not :)

    Blaze , to fediverse in Lemmy Schedule - app for scheduling posts and getting notified of new posts
    @Blaze@discuss.tchncs.de avatar

    Nice update!

    Blaze , to fediverse in App to schedule posts on Lemmy
    @Blaze@discuss.tchncs.de avatar

    As a side comment, I see that the very aggressive comments from earlier have been removed, thank you mods for your work!

    dandroid , to fediverse in App to schedule posts on Lemmy

    I think this is a cool idea. Like others, I would love a self-hosted and open source version to make sure there isn’t any funny business.

    rikudou OP ,

    It is open source! github.com/RikudouSage/LemmySchedule

    Self-hosting is possible, though I don’t have a direct support for that right now, you would have to figure it out yourself (it’s not hard if you know how to work with the Symfony framework).

    dandroid ,

    Awesome! I’m just starting my workday now, but I could take a look to see if I could put it in a docker container if you would like. I would have to do it after work, which means I probably won’t make significant progress until the weekend.

    rikudou OP ,

    That would actually be great! Feel free to contact me if you need some pointers.

    freamon , to fediverse in App to schedule posts on Lemmy

    Interesting.

    I suppose the only thing is that you wouldn’t be able to upload an image to the instance as part of a post - you’d have to upload it somewhere else first, to then be able to refer to it.


    For the detractors, register a throwaway account at some random instance, and use that if you want to test it out.
    If you’re able to properly pore through the source to check it’s not stealing anything, then you’re capable of scheduling your own posts. The Lemmy API is very simple, it’s not rocket science.

    rikudou OP ,

    I suppose the only thing is that you wouldn’t be able to upload an image to the instance as part of a post

    It would be possible but it would add more complexity, more costs etc. I’ll probably tackle the problem when I have time, but now I’m glad that I have a version that I can use working.

    If you’re able to properly pore through the source to check

    I even pointed out some interesting parts regarding this in the README.

    willya , to fediverse in App to schedule posts on Lemmy
    @willya@lemmyf.uk avatar

    Nice, saving for later.

    nix , to fediverse in Lemmy Schedule - app for scheduling posts and getting notified of new posts
    @nix@merv.news avatar

    This is awesome! Could we use this to subscribe to a post to receive updates on edits and new comments?

    rikudou OP ,

    Not currently, but getting notifications for new comments might be nice. The edits are not really possible in any sane way, I would have to store every version to see if it changed. Or I would have to store the last time you visited. Neither of which I really want to do, the app doesn’t store any permanent data about its users, everything is always stored in the queued job only and then forgotten once the job runs.

    Pratai , to fediverse in Lemmy Schedule - app for scheduling posts and getting notified of new posts

    schedule a post and post it to multiple communities

    • you can upload an image as well and choose between uploading to your Lemmy instance or to Imgur

    Please don’t do this. Automated posting? AI is bad enough as it is and there’s no way this won’t be abused and cause tons of spam.

    rikudou OP ,

    It’s been running for a while and as far as I know, no spam. You still have to write the post, the only thing that changes is that you can plan it.

    Pratai ,

    Fair enough. Hopefully people don’t rig it up to where it can auto produce spam.

    Blaze ,
    @Blaze@discuss.tchncs.de avatar

    If they do, the account they use will get banned. Schedule is a great tool, I’ve been using it for a while, especially useful for daily threads

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