web-dev | login system with input validation | Authentication library
kandi X-RAY | web-dev Summary
kandi X-RAY | web-dev Summary
I created this application while taking the Udacity intermediate web development course, and it is deployed here: It uses the webapp2 framework and google app engine, including the google app engine query language and memcache. Jinja2 is used for templating, and bootstrap for styling. Nifty features include: - input validation - passwords are salted and hashed before they are stored - cookies are set once a user is logged in with a hashed version of their user id and are necessary to access any site pages - users' ip addresses are used to look up geographic coordinates to plot on a map - responsive navigation bar - queries from the database are cached with memcache - password reset sends email with a link to reset password, link expires after 12 hours or after it is used once. To Run: appcfg.py --oauth2 -A created-by-rachel update app/. To Test: dev_appserver.py app --enable_sendmail. To Do: - allow incoming email.
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Top functions reviewed by kandi - BETA
- Generate a URL for a given endpoint
- Inject url defaults
- Quote a string
- Handle URL build errors
- Run a WSGI application
- Serve forever
- Create a WSGI server
- Log a message
- Run the development server
- Start a WSGI application
- Pop the PATH_INFO from the environment variable
- Parse the form data
- Return a list of source lines
- Generate the url map
- Returns a JSON response
- Reload sys modules
- Decorator to register an error handler
- Generate a traceback
- Import a module
- Return a secure filename
- Validate the arguments passed to func
- Render a password
- Handle POST requests
- Produce an eastereg
- Extract the URI info from the given path
- Run an action
- Dispatch a view
web-dev Key Features
web-dev Examples and Code Snippets
Community Discussions
Trending Discussions on web-dev
QUESTION
Web-dev newbie here. so please be nice.
I find this tag really weird for me to parse.
Consider the following HTML doc:
...ANSWER
Answered 2021-Jun-13 at 14:14Data is dynamically pulled from a script tag. As javascript doesn't run with requests this info remains within the script tag and is not present where you are looking.
You can regex out the string holding the relevant info, parse with json and create a dict as follows:
QUESTION
Just starting with wordpress and PHP especially, though I have plenty of experience with other non-web-dev languages. I'm attempting to use a plugin to create a folder with a timestamp, then any file that gets uploaded on that page should use the same timestamp's folder, instead of having one file per timestamp.
to help with that, I'm trying to get the timestamp of the beginning of my program and store that through the lifetime of the program so that I can use it in different places.
...ANSWER
Answered 2021-Jun-10 at 17:01If you're asking how to define a constant, try this:
define('APP_TIMESTAMP', date('h:i:s'));
Then you can use it in your code like this:
str_replace('%time%', APP_TIMESTAMP, $changeable_data)
There will be no scope limitations
QUESTION
I am running a small site and as every web-developer I use Javascript to interact with the client-side.
Currently I have all of my buttons the attribute, onclick=() that means, when somebody visits my site and inspects the HTML code will find those onclick=() calls.
I have visited other popular websites, such as StackOverflow, and it seems like they don't use the onclick=() property for all the buttons.
Is this a securiry flaw? Should I rechange my JS code to just listen when some button is clicked?
Thanks in advance
...ANSWER
Answered 2021-Jun-06 at 19:30While there are plenty of reasons to avoid using onclick attributes (notably a lack of separation of concerns, lower reusability of code, and some unintuitive scoping rules) security is not one of them.
Any code you ask the browser to run is completely under the control of the owner of the browser. It is designed for their convenience, not that of the website it is visiting.
If exposing the logic of the JS to the user is a security problem then you need to solve it by moving the logic to server-side code.
QUESTION
I have a nodejs script which was working fine on nodejs 12. I got a new macbook air on which I installed nodejs LTS 14. The scripts was not working as intended so I have downgraded it to nodejs 12 LTS. Now I'm getting an error for process out of memory. I have also tried using --max-oud-size to increase the memory allocation.
export NODE_OPTIONS=--max_old_space_size=4096
It didn't work. Following is the stack trace for the error
...ANSWER
Answered 2021-Jan-24 at 18:03This issue has been fixed in Node 15.3.0.
I updated mine and it worked fine for me.
QUESTION
I am begginer in web-developing. Nevertheless I hope for aid.
I have one layout that has to be performed as webpage by me. It has header, footer, main. There are one static image in main, one menu and content part in main. All elements situates in correct position if the user does not change the scale in own browser. There's one requirement: footer, header and menu must be painted with some colors, but all content of them must contain in rectangles width of which is 1000px. And don't forget about padding-left and padding-right 10px. If the scale is increased there's horizontal scrollbar and some elements occur in right side.
My requirements:
- all components must fit in the first 100% of width. There must not be any need to scroll horizontally.
- this vertical scrollbar must disappear
ANSWER
Answered 2021-Jun-03 at 09:28Adding CSS media queries would really help in your case. I would create a media query where your 1000px width's will be set to 100% if the resolution becomes to small. Here's a quick example on how to approach it:
QUESTION
I have an issue with Nginx configuration for reverse proxy. I try to get to the backend using the port http://localhost:5002/ but it gives bad gateway. The container with Nginx is HTTPS secured and the Angular app works and i can reach it from outside the server.
...ANSWER
Answered 2021-Jun-01 at 19:50The reason you can't reach localhost:5002 is that the nginx container network is by default Bridge.
When running your nginx container, set the network to be Host as bellow:
QUESTION
I'm trying to compile my React project, but these errors are popping up:
Terminal output:
...ERROR in ./src/Components/Info.scss 2:0 Module parse failed: Unexpected token (2:0) You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
ANSWER
Answered 2021-May-23 at 13:50You need to add your sass loader in your rules:
QUESTION
I am trying to build a desktop app.
I am thinking of using electron on the recommendation of a web-developer friend of mine,
but as I am the only sole developer, I don't have the means to test the software on different platforms(OS, hardware etc.).
So I am anticipating that this will cause a problem later, in the end, to test/debug software on different platforms and different OS.
I have ruled out web-apps because of some privacy concerns of the users for the remote data hosting.
Software is pretty lightweight and is almost equivalent to the image viewer apps with some slight modifications.
How to solve the problem of variations of different platforms?
Any literature suggestions pointing me in the general direction are also welcome.
ANSWER
Answered 2021-May-04 at 04:58It depends.
The answer depends on what you are building, so it makes sense to figure out what you actually want to build. Some questions you might ask yourself:
- Do I need a database?
- Do I need authentication?
- Do I need portability?
- Do I need speed to market?
- Do I want to pick a language I'm familiar in?
These are all good questions and there are dozens more we all ask ourselves. However, back to your original question.
Electron is a fine choiceYes, there are alternatives. But Electron is used for Visual Studio Code, Facebook Messenger, Microsoft Teams and Figma. Choosing Electron means there are other developers making apps and there are proven apps in the market so you don't have to worry about a dead ecosystem.
Electron is easy to onboard if you know web technologies, think js, html and css. If you know these, you can transfer your web dev knowledge and make a cross-platform app. You don't have to worry about learning each OS since the UI is the webpage which will look mostly* the same between each OS. (*some very minor differences, but essentially the same).
Cross-platform deployment is easyThere are a few ways of bringing your app to multiple platforms, I happen to be most familiar with electron-builder, but the other two solutions work as well.
I am biased, since I'm the author of secure-electron-template which is one of the many templates you can choose from when starting an app. However, I recently reviewed all Electron templates and found that only 4 do not have serious security vulnerabilities.
The Electron framework frequently is updated, and over the course of the past few years there has been a shift in the way Electron apps are made. Some earlier frameworks didn't have good secure defaults which some of the older Electron templates inherited and thus, aren't as secure as new frameworks that follow security guidelines.
If you decide on Electron, give my template a try. It's got a number of features I'm building out in order to help the community with features they might want (ie. internationalization (i18n), saving local data, custom context menus, page routing, e2e unit testing, and how one can use license key validation, to name a few things).
QUESTION
I am trying to host my local web app on pythonanywhere. [Beginner to Django and web-development]
I am facing the following error while launching the app:
...ANSWER
Answered 2021-Apr-27 at 09:49From taking a look it looks like the folder structure is fine.
What you might need to do is add the module into your INSTALLED_APPS in settings.
Or, if you're getting an import error or a module not found error for something that you believe is installed, then you've probably installed it into a version of Python or virtualenv that your code is not running in. If it's part of your code that is not being found, then your Python path is not set up so that it sees the module you're trying to import. See https://help.pythonanywhere.com/pages/DebuggingImportError/
QUESTION
I am trying to get lab data from a my mongodb server. I am able to get the data as I can console log it however I feel like Im coming across a race condition where the res.render happens before the actual db call. Now I tried nesting the calls so that the render happens after I get the data as follows:
...ANSWER
Answered 2021-Apr-21 at 07:39Change the query to following
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You can use web-dev like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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