Add proxy settings and support for migration and webhook (#16704)

* Add proxy settings and support for migration and webhook

* Fix default value

* Add newline for example ini

* Add lfs proxy support

* Fix lint

* Follow @zeripath's review

* Fix git clone

* Fix test

* missgin http requests for proxy

* use empty

Co-authored-by: zeripath <art27@cantab.net>

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>

2 files changed, 30 insertions, 2 deletions

diff --git a/docs/content/doc/advanced/config-cheat-sheet.en-us.md b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
index 572e33af7f..23f125f4da 100644
--- a/docs/content/doc/advanced/config-cheat-sheet.en-us.md
+++ b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
@@ -549,8 +549,8 @@ Define allowed algorithms and their minimum key length (use -1 to disable a type
 - `DELIVER_TIMEOUT`: **5**: Delivery timeout (sec) for shooting webhooks.
 - `SKIP_TLS_VERIFY`: **false**: Allow insecure certification.
 - `PAGING_NUM`: **10**: Number of webhook history events that are shown in one page.
-- `PROXY_URL`: ****: Proxy server URL, support http://, https//, socks://, blank will follow environment http_proxy/https_proxy
-- `PROXY_HOSTS`: ****: Comma separated list of host names requiring proxy. Glob patterns (*) are accepted; use ** to match all hosts.
+- `PROXY_URL`: **\<empty\>**: Proxy server URL, support http://, https//, socks://, blank will follow environment http_proxy/https_proxy. If not given, will use global proxy setting.
+- `PROXY_HOSTS`: **\<empty\>`**: Comma separated list of host names requiring proxy. Glob patterns (*) are accepted; use ** to match all hosts. If not given, will use global proxy setting.
 
 ## Mailer (`mailer`)
 
@@ -950,6 +950,7 @@ Task queue configuration has been moved to `queue.task`. However, the below conf
 - `ALLOWED_DOMAINS`: **\<empty\>**: Domains allowlist for migrating repositories, default is blank. It means everything will be allowed. Multiple domains could be separated by commas.
 - `BLOCKED_DOMAINS`: **\<empty\>**: Domains blocklist for migrating repositories, default is blank. Multiple domains could be separated by commas. When `ALLOWED_DOMAINS` is not blank, this option will be ignored.
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918, RFC 1122, RFC 4632 and RFC 4291
+- `SKIP_TLS_VERIFY`: **false**: Allow skip tls verify
 
 ## Mirror (`mirror`)
 
@@ -1023,6 +1024,19 @@ is `data/repo-archive` and the default of `MINIO_BASE_PATH` is `repo-archive/`.
 - `MINIO_BASE_PATH`: **repo-archive/**: Minio base path on the bucket only available when `STORAGE_TYPE` is `minio`
 - `MINIO_USE_SSL`: **false**: Minio enabled ssl only available when `STORAGE_TYPE` is `minio`
 
+## Proxy (`proxy`)
+
+- `PROXY_ENABLED`: **false**: Enable the proxy if true, all requests to external via HTTP will be affected, if false, no proxy will be used even environment http_proxy/https_proxy
+- `PROXY_URL`: **\<empty\>**: Proxy server URL, support http://, https//, socks://, blank will follow environment http_proxy/https_proxy
+- `PROXY_HOSTS`: **\<empty\>**: Comma separated list of host names requiring proxy. Glob patterns (*) are accepted; use ** to match all hosts.
+
+i.e.
+```ini
+PROXY_ENABLED = true
+PROXY_URL = socks://127.0.0.1:1080
+PROXY_HOSTS = *.github.com
+```
+
 ## Other (`other`)
 
 - `SHOW_FOOTER_BRANDING`: **false**: Show Gitea branding in the footer.
diff --git a/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md b/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
index 31b34db2f7..5c3d69ecfd 100644
--- a/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
+++ b/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
@@ -332,6 +332,7 @@ IS_INPUT_FILE = false
 - `ALLOWED_DOMAINS`: **\<empty\>**: 迁移仓库的域名白名单，默认为空，表示允许从任意域名迁移仓库，多个域名用逗号分隔。
 - `BLOCKED_DOMAINS`: **\<empty\>**: 迁移仓库的域名黑名单，默认为空，多个域名用逗号分隔。如果 `ALLOWED_DOMAINS` 不为空，此选项将会被忽略。
 - `ALLOW_LOCALNETWORKS`: **false**: Allow private addresses defined by RFC 1918
+- `SKIP_TLS_VERIFY`: **false**: 允许忽略 TLS 认证
 
 ## LFS (`lfs`)
 
@@ -397,6 +398,19 @@ Repository archive 的存储配置。 如果 `STORAGE_TYPE` 为空，则此配�
 - `MINIO_BASE_PATH`: **repo-archive/**: Minio base path ，仅当 `STORAGE_TYPE` 为 `minio` 时有效。
 - `MINIO_USE_SSL`: **false**: Minio 是否启用 ssl ，仅当 `STORAGE_TYPE` 为 `minio` 时有效。
 
+## Proxy (`proxy`)
+
+- `PROXY_ENABLED`: **false**: 是否启用全局代理。如果为否，则不使用代理，环境变量中的代理也不使用
+- `PROXY_URL`: **\<empty\>**: 代理服务器地址，支持 http://, https//, socks://，为空则不启用代理而使用环境变量中的 http_proxy/https_proxy
+- `PROXY_HOSTS`: **\<empty\>**: 逗号分隔的多个需要代理的网址，支持 * 号匹配符号， ** 表示匹配所有网站
+
+i.e.
+```ini
+PROXY_ENABLED = true
+PROXY_URL = socks://127.0.0.1:1080
+PROXY_HOSTS = *.github.com
+```
+
 ## Other (`other`)
 
 - `SHOW_FOOTER_BRANDING`: 为真则在页面底部显示Gitea的字样。