Golang Profile.SettingStringDef方法代碼示例

func (p *Proxy) rewriteUrl(target string, w http.ResponseWriter, r *http.Request, rangeInfo string, prof *profile.Profile, f *life.Life, act profile.UrlProxyAction, speed profile.SpeedAction, bodyDelay profile.DelayAction) bool {
	var content []byte = nil
	contentSource := ""
	switch act.Act {
	case profile.UrlActRewritten:
		fallthrough
	case profile.UrlActTcpWritten:
		u, err := url.QueryUnescape(act.ContentValue)
		if err != nil {
			return false
		}

		content = []byte(u)
		if act.Act == profile.UrlActRewritten {
			contentSource = "rewrite"
		} else if act.Act == profile.UrlActTcpWritten {
			contentSource = "tcpwrite"
		}
	case profile.UrlActRestore:
		content = prof.Restore(act.ContentValue)
		if content == nil {
			return false
		}
	default:
		return false
	}

	if act.Act != profile.UrlActTcpWritten {
		p.procHeader(w.Header(), prof.SettingStringDef(target, "content-type", "default"))
	}

	var writeWrapper func(w io.Writer) io.Writer = nil
	switch bodyDelay.Act {
	case profile.DelayActDelayEach:
		fallthrough
	case profile.DelayActTimeout:
		writeWrapper = func(w io.Writer) io.Writer {
			return newDelayWriter(bodyDelay, w, p.r)
		}
	}

	switch speed.Act {
	case profile.SpeedActConstant:
		if writeWrapper != nil {
			wrap := writeWrapper
			writeWrapper = func(w io.Writer) io.Writer {
				return newSpeedWriter(speed, wrap(w))
			}
		} else {
			writeWrapper = func(w io.Writer) io.Writer {
				return newSpeedWriter(speed, w)
			}
		}
	}

	start := time.Now()
	if act.Act == profile.UrlActTcpWritten {
		net.TcpWriteHttp(w, writeWrapper, content)
	} else {
		if writeWrapper != nil {
			writeWrapper(w).Write(content)
		} else {
			w.Write(content)
		}
	}

	c := cache.NewUrlCache(target, r, nil, nil, contentSource, content, rangeInfo, start, time.Now(), nil)
	if act.Act == profile.UrlActTcpWritten {
		c.ResponseCode = 599
	} else {
		c.ResponseCode = 200
	}
	if f != nil {
		p.saveContentToCache(target, f, c, false)
	}

	return true
}

//.........這裏部分代碼省略.........

		act := p.urlOp.Action(remoteIP, fullUrl)
		//fmt.Println("url act: " + act.String())
		speed := p.urlOp.Speed(remoteIP, fullUrl)
		bodyDelay := p.urlOp.BodyDelay(remoteIP, fullUrl)

		switch act.Act {
		case profile.UrlActCache:
			needCache = true
		case profile.UrlActStatus:
			status := 502
			if c, err := strconv.Atoi(act.ContentValue); err == nil {
				status = c
			}

			w.WriteHeader(status)
			f.Log("proxy " + fullUrl + " status " + strconv.Itoa(status))
			return
		case profile.UrlActMap:
			requestUrl = act.ContentValue
			requestR = nil
			contentSource = "map " + act.ContentValue
		case profile.UrlActRedirect:
			http.Redirect(w, r, act.ContentValue, 302)
			f.Log("proxy " + fullUrl + " redirect " + act.ContentValue)
			return
		case profile.UrlActRewritten:
			fallthrough
		case profile.UrlActRestore:
			fallthrough
		case profile.UrlActTcpWritten:
			if p.rewriteUrl(fullUrl, w, r, rangeInfo, prof, f, act, speed, bodyDelay) {
				return
			}
		}

		switch bodyDelay.Act {
		case profile.DelayActDelayEach:
			fallthrough
		case profile.DelayActTimeout:
			if writeWrap == nil {
				writeWrap = w
			}

			writeWrap = newDelayWriter(bodyDelay, writeWrap, p.r)
		}

		switch speed.Act {
		case profile.SpeedActConstant:
			if writeWrap == nil {
				writeWrap = w
			}

			writeWrap = newSpeedWriter(speed, writeWrap)
		}
	}

	if needCache && r.Method == "GET" && f != nil {
		c := f.CheckCache(fullUrl, rangeInfo)
		if c != nil && c.Error == nil {
			c.Response(w, writeWrap)
			return
		}
	}

	dont302 := true
	settingContentType := "default"
	if prof != nil {
		dont302 = prof.SettingDont302(fullUrl)
		settingContentType = prof.SettingStringDef(fullUrl, "content-type", settingContentType)
		if prof.SettingSwitch(fullUrl, "disable304") {
			p.disable304FromHeader(requestR.Header)
		}
	}

	httpStart := time.Now()
	resp, postBody, redirection, err := net.NewHttp(requestUrl, requestR, p.parseDomainAsDial(target, remoteIP), dont302)
	if err != nil {
		c := cache.NewUrlCache(fullUrl, r, nil, nil, contentSource, nil, rangeInfo, httpStart, time.Now(), err)
		if f != nil {
			go p.saveContentToCache(fullUrl, f, c, false)
		}

		http.Error(w, "Bad Gateway", 502)
	} else if len(redirection) > 0 {
		http.Redirect(w, r, redirection, 302)
		if f != nil {
			f.Log("proxy " + fullUrl + " redirect " + redirection)
		}
	} else {
		defer resp.Close()
		p.procHeader(resp.Header(), settingContentType)
		content, err := resp.ProxyReturn(w, writeWrap)
		httpEnd := time.Now()
		c := cache.NewUrlCache(fullUrl, r, postBody, resp, contentSource, content, rangeInfo, httpStart, httpEnd, err)
		if f != nil {
			go p.saveContentToCache(fullUrl, f, c, needCache)
		}
	}
}