deletememoryyy/pku_copyleft

PKU Copyleft

A tool for downloading theses from Peking University's copyright protection system.

Modified from the original PKU Copyleft repository.

This software is free and belongs to the public domain. The author provides no warranties or guarantees. Users must assume all responsibilities for using this software; any consequences resulting from its use are borne by the users.

Dependency Installation

• Required dependencies: fish (version >= 3.0.0), curl, jq, pup, img2pdf.
• Optional dependencies: parallel (to enhance download speed), ocrmypdf (for OCR on downloaded PDFs. Limited support for Chinese).

Arch Linux

sudo pacman --sync --refresh --sysupgrade && sudo pacman --sync fish curl jq img2pdf parallel

pup (or pup-git, pup-bin), ocrmypdf need to be installed from AUR.

Ubuntu

sudo apt-add-repository ppa:fish-shell/release-3
sudo apt update && sudo apt install fish curl jq img2pdf parallel ocrmypdf

pup needs to be installed manually.

Termux

apt update && apt install fish curl jq pup parallel

img2pdf and ocrmypdf needs to be installed manually.

macOS

Install with Homebrew：

brew install fish curl jq pup parallel ocrmypdf

img2pdf needs to be installed manually.

Usage

1. Connect to Peking University's campus network or use the Peking University VPN.
2. Go to the Peking University Thesis Database, and search for the thesis you want.
3. Click on the title of the thesis in the search results, go to the "View Thesis Information" page, and click "View Full Text" at the top right corner.
4. A page with a URL like "https://drm.lib.pku.edu.cn/pdfindex1.jsp?fid=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" will pop up, where you can view the thesis. Note down the xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx part after fid= in the URL.
5. In your browser, press F12 (or Ctrl + Shift + I on Windows, Option + Command + I on MacOS) to open Developer Tools, select the Storage tab, choose Cookies, and find the row with Name as JSESSIONID. Note down the value YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY in the Value column.
6. Open a command line tool, navigate to the folder where pku_copyleft.fish is located, and run the following command to download the thesis PDF to that folder.

./pku_copyleft.fish -c 'YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY' -f 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

Free Software

This software is free and belongs to the public domain. See Unlicense.txt for details.