fix(drivers/123): update web api host

[mm-o]

Summary

Update the 123Pan web API host constants to match the current production web client configuration.

• Change the regular 123Pan API base from https://www.123pan.com/b/api to https://api.123278.com/b/api.

• Change the generic API base from https://www.123pan.com/api to https://api.123pan.cn/api.

• Keep the existing origin / referer request headers as https://www.123pan.com/.

• This fixes login/test/list flows where https://www.123pan.com/b/api/user/info now returns 200 text/html, causing JSON parsing failures.

• This PR has breaking changes.

• This PR changes public API, config, storage format, or migration behavior.

• This PR requires corresponding changes in related repositories.

Close #2675

Related repository PRs:

• OpenList-Frontend:
• OpenList-Docs:

Testing

• gofmt -w drivers/123/util.go
• git diff --check
• go test ./...
• Manual test:

Manual verification performed outside this repository with a real 123Pan account:

• https://login.123pan.com/api/user/sign_in returns a valid token.
• https://www.123pan.com/b/api/user/info returns 200 text/html with that token.
• https://api.123278.com/b/api/user/info returns JSON with that token.
• https://api.123278.com/b/api/file/list/new returns JSON with that token.

Targeted test attempted:

• go test ./drivers/123 was attempted, but dependency downloads from proxy.golang.org failed with repeated EOF errors before compilation.

Checklist

• I have read CONTRIBUTING.
• I confirm this contribution follows the repository license, contribution policy, and code of conduct.
• I have formatted the changed code with gofmt, go fmt, or prettier where applicable.
• I have requested review from relevant maintainers or code owners where applicable.

AI Disclosure

• This PR includes AI-assisted content.

Tools used:

• ChatGPT
• Codex
• GitHub Copilot
• Claude
• Gemini
• Other:

Usage scope:

• Code generation

• Refactoring

• Documentation

• Tests

• Translation

• Review assistance

• I have reviewed and validated all AI-assisted content included in this PR.

• I have ensured that all AI-assisted commits include Co-Authored-By attribution.

• I can reproduce all AI-assisted content included in this PR without any AI tools.

[xrgzs]

@mm-o 这个AApi也是返回静态了，是不是也需要更换？

[jyxjjj]

这是官方域名吗

[PIKACHUIM]

感谢您的贡献，但此PR没有 修改AAPI和BAPI，也没有修复123 Share的问题
因此我们使用#2678 实现了修复
本PR将关闭 再次感谢您的贡献