Cookie Agent Session Reuse for Web Scraping
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Solution Overview
Problem
Web scraping is hindered by the need to store and manage user credentials, which can change or expire, making it difficult to maintain access to websites requiring credentials.
Innovation Solution
A method and system that automatically receive and store cookies from active user sessions established with valid credentials, allowing for the reuse and periodic preservation of these sessions without requiring the storage of user credentials, using a cookie agent and application server to manage and maintain active user sessions across distinct devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If user credentials are stored for web scraping, then access to websites can be maintained, but the credentials can change or expire causing access failures
Solution Approach 1:
The system performs preliminary actions by capturing cookies during legitimate user sessions before they expire. The cookie collection agent monitors and stores session cookies while users are actively browsing, preserving these cookies for future web scraping operations. This preliminary capture eliminates the need to wait for credential expiration or changes, allowing the system to proactively store valid session tokens before they become obsolete.
Solution Approach 2:
Instead of storing sensitive user credentials directly, the system creates copies of session cookies that contain authentication state information. These cookie copies serve as substitutes for the original credentials, allowing web scraping operations to access websites using replicated session tokens rather than the actual user credentials. This copying mechanism preserves access reliability while avoiding the problems of credential expiration and changes.
2Duration of action of stationary object
If cookies are periodically refreshed, then session validity is maintained, but additional requests increase network traffic
Solution Approach 1:
The system implements periodic action by sending dummy requests at regular intervals to refresh and revalidate collected cookies. The cookie collection agent automatically periodically transmits stored cookies back to the target websites to maintain session validity. This periodic refresh mechanism ensures that cookies remain current and valid for future scraping operations, extending the usable duration of captured sessions while managing network traffic through scheduled rather than continuous communication.
Data Source
AI summary
In an embodiment, a method is performed by a computer system. The method includes automatically receiving, from an agent on a client device that is physically distinct from the computer system, a cookie corresponding to an active user session on a website. The active user session is previously established on the website in response to the website receiving valid user credentials from the client device. The method also includes storing the cookie in memory. In addition, the method includes, via the cookie, collecting information from the website over the active user session, thereby reusing the active user session. Further, the method includes periodically sending a dummy request comprising the cookie to the website, thereby preserving the active user session.