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chore: 🤖 [frontend-gray]优化关于处理index page 处理逻辑 (#1345)

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Co-authored-by: Kent Dong <ch3cho@qq.com>
This commit is contained in:
mamba
2024-09-26 09:16:00 +08:00
committed by GitHub
parent 8293042c25
commit af4e34b7ed
3 changed files with 45 additions and 44 deletions
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48
plugins/wasm-go/extensions/frontend-gray/main.go
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@@ -108,19 +108,26 @@ func onHttpResponseHeader(ctx wrapper.HttpContext, grayConfig config.GrayConfig,
if !util.IsGrayEnabled(grayConfig) {
return types.ActionContinue
}
status, err := proxywasm.GetHttpResponseHeader(":status")
contentType, _ := proxywasm.GetHttpResponseHeader("Content-Type")
isPageRequest, ok := ctx.GetContext(config.IsPageRequest).(bool)
if !ok {
isPageRequest = false // 默认值
}
// response 不处理非首页的请求
if !isPageRequest {
ctx.DontReadResponseBody()
return types.ActionContinue
}
status, err := proxywasm.GetHttpResponseHeader(":status")
if grayConfig.Rewrite != nil && grayConfig.Rewrite.Host != "" {
// 删除Content-Disposition，避免自动下载文件
proxywasm.RemoveHttpResponseHeader("Content-Disposition")
}
isPageRequest, ok := ctx.GetContext(config.IsPageRequest).(bool)
if !ok {
isPageRequest = false // 默认值
}
// 删除content-length，可能要修改Response返回值
proxywasm.RemoveHttpResponseHeader("Content-Length")
// 处理code为 200的情况
if err != nil || status != "200" {
if status == "404" {
if grayConfig.Rewrite.NotFound != "" && isPageRequest {
@@ -143,6 +150,7 @@ func onHttpResponseHeader(ctx wrapper.HttpContext, grayConfig config.GrayConfig,
ctx.BufferResponseBody()
return types.ActionContinue
} else {
// 直接返回400
ctx.DontReadResponseBody()
}
}
@@ -150,25 +158,19 @@ func onHttpResponseHeader(ctx wrapper.HttpContext, grayConfig config.GrayConfig,
return types.ActionContinue
}
// 删除content-length，可能要修改Response返回值
proxywasm.RemoveHttpResponseHeader("Content-Length")
// 不会进去Streaming 的Body处理
ctx.BufferResponseBody()
proxywasm.ReplaceHttpResponseHeader("Cache-Control", "no-cache, no-store, max-age=0, must-revalidate")
if strings.HasPrefix(contentType, "text/html") || isPageRequest {
// 不会进去Streaming 的Body处理
ctx.BufferResponseBody()
frontendVersion := ctx.GetContext(config.XPreHigressTag).(string)
xUniqueClient := ctx.GetContext(config.XUniqueClientId).(string)
proxywasm.ReplaceHttpResponseHeader("Cache-Control", "no-cache, no-store")
frontendVersion := ctx.GetContext(config.XPreHigressTag).(string)
xUniqueClient := ctx.GetContext(config.XUniqueClientId).(string)
// 设置前端的版本
proxywasm.AddHttpResponseHeader("Set-Cookie", fmt.Sprintf("%s=%s,%s; Max-Age=%s; Path=/;", config.XPreHigressTag, frontendVersion, xUniqueClient, grayConfig.UserStickyMaxAge))
// 设置后端的版本
if util.IsBackendGrayEnabled(grayConfig) {
backendVersion := ctx.GetContext(grayConfig.BackendGrayTag).(string)
proxywasm.AddHttpResponseHeader("Set-Cookie", fmt.Sprintf("%s=%s; Max-Age=%s; Path=/;", grayConfig.BackendGrayTag, backendVersion, grayConfig.UserStickyMaxAge))
}
// 设置前端的版本
proxywasm.AddHttpResponseHeader("Set-Cookie", fmt.Sprintf("%s=%s,%s; Max-Age=%s; Path=/;", config.XPreHigressTag, frontendVersion, xUniqueClient, grayConfig.UserStickyMaxAge))
// 设置后端的版本
if util.IsBackendGrayEnabled(grayConfig) {
backendVersion := ctx.GetContext(grayConfig.BackendGrayTag).(string)
proxywasm.AddHttpResponseHeader("Set-Cookie", fmt.Sprintf("%s=%s; Max-Age=%s; Path=/;", grayConfig.BackendGrayTag, backendVersion, grayConfig.UserStickyMaxAge))
}
return types.ActionContinue
}