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节点中实现重写规则

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This commit is contained in:
刘祥超
2020-09-28 18:22:37 +08:00
parent b0a306fbc6
commit 6404f57c8b
3 changed files with 76 additions and 41 deletions
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92
pkg/rpc/pb/service_http_rewrite_rule.pb.go
View File

@@ -42,6 +42,7 @@ type CreateHTTPRewriteRuleRequest struct {
IsBreak bool `protobuf:"varint,5,opt,name=isBreak,proto3" json:"isBreak,omitempty"`
ProxyHost string `protobuf:"bytes,6,opt,name=proxyHost,proto3" json:"proxyHost,omitempty"`
IsOn bool `protobuf:"varint,7,opt,name=isOn,proto3" json:"isOn,omitempty"`
WithQuery bool `protobuf:"varint,8,opt,name=withQuery,proto3" json:"withQuery,omitempty"`
}
func (x *CreateHTTPRewriteRuleRequest) Reset() {
@@ -125,6 +126,13 @@ func (x *CreateHTTPRewriteRuleRequest) GetIsOn() bool {
return false
}
func (x *CreateHTTPRewriteRuleRequest) GetWithQuery() bool {
if x != nil {
return x.WithQuery
}
return false
}
type CreateHTTPRewriteRuleResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -186,6 +194,7 @@ type UpdateHTTPRewriteRuleRequest struct {
IsBreak bool `protobuf:"varint,6,opt,name=isBreak,proto3" json:"isBreak,omitempty"`
ProxyHost string `protobuf:"bytes,7,opt,name=proxyHost,proto3" json:"proxyHost,omitempty"`
IsOn bool `protobuf:"varint,8,opt,name=isOn,proto3" json:"isOn,omitempty"`
WithQuery bool `protobuf:"varint,9,opt,name=withQuery,proto3" json:"withQuery,omitempty"`
}
func (x *UpdateHTTPRewriteRuleRequest) Reset() {
@@ -276,13 +285,20 @@ func (x *UpdateHTTPRewriteRuleRequest) GetIsOn() bool {
return false
}
func (x *UpdateHTTPRewriteRuleRequest) GetWithQuery() bool {
if x != nil {
return x.WithQuery
}
return false
}
var File_service_http_rewrite_rule_proto protoreflect.FileDescriptor
var file_service_http_rewrite_rule_proto_rawDesc = []byte{
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@@ -296,41 +312,45 @@ var file_service_http_rewrite_rule_proto_rawDesc = []byte{
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}
var (

2
pkg/rpc/protos/service_http_rewrite_rule.proto
View File

@@ -22,6 +22,7 @@ message CreateHTTPRewriteRuleRequest {
bool isBreak = 5;
string proxyHost = 6;
bool isOn = 7;
bool withQuery = 8;
}
message CreateHTTPRewriteRuleResponse {
@@ -38,4 +39,5 @@ message UpdateHTTPRewriteRuleRequest {
bool isBreak = 6;
string proxyHost = 7;
bool isOn = 8;
bool withQuery = 9;
}

23
pkg/serverconfigs/http_rewrite_rule.go
View File

@@ -25,6 +25,7 @@ const (
// - http://nginx.org/en/docs/http/ngx_http_rewrite_module.html
// - https://httpd.apache.org/docs/current/mod/mod_rewrite.html
// - https://httpd.apache.org/docs/2.4/rewrite/flags.html
// TODO 实现对其他代理服务的引用
type HTTPRewriteRule struct {
Id int64 `yaml:"id" json:"id"` // ID
IsOn bool `yaml:"isOn" json:"isOn"` // 是否开启
@@ -46,20 +47,25 @@ type HTTPRewriteRule struct {
RedirectStatus int `yaml:"redirectStatus" json:"redirectStatus"` // 跳转的状态码
ProxyHost string `yaml:"proxyHost" json:"proxyHost"` // 代理模式下的Host
// TODO 实现对其他代理服务的引用
// 要替换成的URL
// 支持反向引用：${0}, ${1}, ...，也支持?P<NAME>语法
// - 如果以 proxy:// 开头，表示目标为代理，首先会尝试作为代理ID请求，如果找不到，会尝试作为代理Host请求
Replace string `yaml:"replace" json:"replace"`
IsBreak bool `yaml:"isBreak" json:"isBreak"` // 终止向下解析
// 其他选项
IsBreak bool `yaml:"isBreak" json:"isBreak"` // 终止向下解析
WithQuery bool `yaml:"withQuery" json:"withQuery"` // 是否保留QueryString
reg *regexp.Regexp
reg *regexp.Regexp
replaceHasVariables bool
proxyHostHasVariables bool
}
// 校验
func (this *HTTPRewriteRule) Init() error {
this.replaceHasVariables = configutils.HasVariables(this.Replace)
this.proxyHostHasVariables = configutils.HasVariables(this.ProxyHost)
reg, err := regexp.Compile(this.Pattern)
if err != nil {
return err
@@ -115,7 +121,9 @@ func (this *HTTPRewriteRule) Match(requestPath string, formatter func(source str
return "${" + varName + "}"
})
replace = formatter(replace)
if this.replaceHasVariables {
replace = formatter(replace)
}
return replace, varMapping, true
}
@@ -124,3 +132,8 @@ func (this *HTTPRewriteRule) Match(requestPath string, formatter func(source str
func (this *HTTPRewriteRule) IsExternalURL(url string) bool {
return shared.RegexpExternalURL.MatchString(url)
}
// 判断ProxyHost是否有变量
func (this *HTTPRewriteRule) ProxyHostHasVariables() bool {
return this.proxyHostHasVariables
}