91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
package proxy
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import (
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"context"
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"fmt"
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"ghproxy/config"
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"ghproxy/rate"
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"regexp"
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"strings"
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"github.com/cloudwego/hertz/pkg/app"
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)
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var re = regexp.MustCompile(`^(http:|https:)?/?/?(.*)`) // 匹配http://或https://开头的路径
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func NoRouteHandler(cfg *config.Config, limiter *rate.RateLimiter, iplimiter *rate.IPRateLimiter) app.HandlerFunc {
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return func(ctx context.Context, c *app.RequestContext) {
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var shoudBreak bool
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shoudBreak = rateCheck(cfg, c, limiter, iplimiter)
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if shoudBreak {
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return
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}
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var (
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rawPath string
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matches []string
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)
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rawPath = strings.TrimPrefix(string(c.Request.RequestURI()), "/") // 去掉前缀/
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matches = re.FindStringSubmatch(rawPath) // 匹配路径
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// 匹配路径错误处理
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if len(matches) < 3 {
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logWarning("%s %s %s %s %s Invalid URL", c.ClientIP(), c.Method(), c.Path(), c.Request.Header.UserAgent(), c.Request.Header.GetProtocol())
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ErrorPage(c, NewErrorWithStatusLookup(400, fmt.Sprintf("Invalid URL Format: %s", c.Path())))
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return
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}
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// 制作url
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rawPath = "https://" + matches[2]
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var (
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user string
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repo string
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matcher string
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)
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var matcherErr *GHProxyErrors
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user, repo, matcher, matcherErr = Matcher(rawPath, cfg)
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if matcherErr != nil {
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ErrorPage(c, matcherErr)
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return
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}
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logDump("%s %s %s %s %s Matched-Username: %s, Matched-Repo: %s", c.ClientIP(), c.Method(), rawPath, c.Request.Header.UserAgent(), c.Request.Header.GetProtocol(), user, repo)
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logDump("%s", c.Request.Header.Header())
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shoudBreak = listCheck(cfg, c, user, repo, rawPath)
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if shoudBreak {
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return
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}
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shoudBreak = authCheck(c, cfg, matcher, rawPath)
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if shoudBreak {
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return
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}
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// 处理blob/raw路径
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if matcher == "blob" {
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rawPath = rawPath[10:]
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rawPath = "raw.githubusercontent.com" + rawPath
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rawPath = strings.Replace(rawPath, "/blob/", "/", 1)
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matcher = "raw"
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}
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logDebug("Matched: %v", matcher)
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switch matcher {
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case "releases", "blob", "raw", "gist", "api":
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ChunkedProxyRequest(ctx, c, rawPath, cfg, matcher)
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case "clone":
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GitReq(ctx, c, rawPath, cfg, "git")
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default:
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ErrorPage(c, NewErrorWithStatusLookup(500, "Matched But Not Matched"))
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logError("Matched But Not Matched Path: %s rawPath: %s matcher: %s", c.Path(), rawPath, matcher)
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return
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}
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}
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}
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