1193 lines
34 KiB
Go
1193 lines
34 KiB
Go
/* WIP Under Construction */
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package main
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import (
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"bytes"
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"log"
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"os"
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"strconv"
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"strings"
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"text/template"
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)
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type TmplVars struct {
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RouteList []*RouteImpl
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RouteGroups []*RouteGroup
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AllRouteNames []RouteName
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AllRouteMap map[string]int
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AllAgentNames []string
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AllAgentMap map[string]int
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AllAgentMarkNames []string
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AllAgentMarks map[string]string
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AllAgentMarkIDs map[string]int
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AllOSNames []string
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AllOSMap map[string]int
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}
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type RouteName struct {
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Plain string
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Short string
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}
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func main() {
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log.Println("Generating the router...")
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// Load all the routes...
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r := &Router{}
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routes(r)
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tmplVars := TmplVars{
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RouteList: r.routeList,
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RouteGroups: r.routeGroups,
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}
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var allRouteNames []RouteName
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allRouteMap := make(map[string]int)
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var out string
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mapIt := func(name string) {
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allRouteNames = append(allRouteNames, RouteName{name, strings.Replace(name, "common.", "c.", -1)})
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allRouteMap[name] = len(allRouteNames) - 1
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}
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mapIt("routes.Error")
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var indentCache [20]string
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countToIndents := func(ind int) string {
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out := indentCache[ind]
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if out != "" {
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return out
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}
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for i := 0; i < ind; i++ {
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out += "\t"
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}
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if ind < 20 {
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indentCache[ind] = out
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}
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return out
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}
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/*o := func(indent int, str string) {
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out += countToIndents(indent) + str
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}*/
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on := func(indent int, str string) {
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out += "\n" + countToIndents(indent) + str
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}
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iferrn := func(indent int) {
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ind := countToIndents(indent)
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ind2 := countToIndents(indent + 1)
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out += "\n" + ind + "if err != nil {"
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out += "\n" + ind2 + "return err\n" + ind + "}"
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}
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runBefore := func(runnables []Runnable, indentCount int) (out string) {
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ind := countToIndents(indentCount)
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if len(runnables) > 0 {
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for _, runnable := range runnables {
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if runnable.Literal {
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out += "\n\t" + ind + runnable.Contents
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} else {
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out += "\n" + ind + "err = c." + runnable.Contents + "(w,req,user)\n" +
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ind + "if err != nil {\n" +
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ind + "\treturn err\n" +
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ind + "}\n" + ind
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}
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}
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}
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return out
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}
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userCheckNano := func(indent int, route *RouteImpl) {
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on(indent, "h, err := c.UserCheckNano(w,req,user,cn)")
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iferrn(indent)
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vcpy := route.Vars
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route.Vars = []string{"h"}
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route.Vars = append(route.Vars, vcpy...)
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}
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writeRoute := func(indent int, r *RouteImpl) {
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on(indent, "err = "+strings.Replace(r.Name, "common.", "c.", -1)+"(w,req,user")
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for _, item := range r.Vars {
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out += "," + item
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}
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out += `)`
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}
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for _, route := range r.routeList {
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mapIt(route.Name)
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end := len(route.Path) - 1
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on(2, "case \""+route.Path[0:end]+"\":")
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//on(3,"id = " + strconv.Itoa(allRouteMap[route.Name]))
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out += runBefore(route.RunBefore, 3)
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if !route.Action && !route.NoHead {
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//on(3,"h, err := c.UserCheck(w,req,user)")
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userCheckNano(3, route)
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} /* else if route.Name != "common.RouteWebsockets" {
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//on(3,"sa := time.Now()")
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//on(3,"cn := uutils.Nanotime()")
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}*/
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writeRoute(3, route)
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/*if !route.Action && !route.NoHead {
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on(3,"co.RouteViewCounter.Bump2(" + strconv.Itoa(allRouteMap[route.Name]) + ", h.StartedAt)")
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} else */if route.Name != "common.RouteWebsockets" {
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//on(3,"co.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[route.Name]) + ")")
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//on(3,"co.RouteViewCounter.Bump2(" + strconv.Itoa(allRouteMap[route.Name]) + ", sa)")
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on(3, "co.RouteViewCounter.Bump3("+strconv.Itoa(allRouteMap[route.Name])+", cn)")
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}
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}
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// Hoist runnables which appear on every route to the route group to avoid code duplication
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skipRunnableAntiDupe:
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for _, g := range r.routeGroups {
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dupeMap := make(map[string]int)
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for _, route := range g.RouteList {
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if len(route.RunBefore) == 0 {
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continue skipRunnableAntiDupe
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}
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// TODO: What if there are duplicates of the same runnable on this route?
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for _, runnable := range route.RunBefore {
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dupeMap[runnable.Contents] += 1
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}
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}
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// Unset entries which are already set on the route group
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for _, gRunnable := range g.RunBefore {
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delete(dupeMap, gRunnable.Contents)
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}
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for runnable, count := range dupeMap {
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if count == len(g.RouteList) {
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g.Before(runnable)
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}
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}
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}
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for _, group := range r.routeGroups {
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end := len(group.Path) - 1
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on(2, "case \""+group.Path[0:end]+"\":")
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out += runBefore(group.RunBefore, 3)
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on(3, "switch(req.URL.Path) {")
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defaultRoute := blankRoute()
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for _, route := range group.RouteList {
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if group.Path == route.Path {
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defaultRoute = route
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continue
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}
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mapIt(route.Name)
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on(4, "case \""+route.Path+"\":")
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//on(5,"id = " + strconv.Itoa(allRouteMap[route.Name]))
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if len(route.RunBefore) > 0 {
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skipRunnable:
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for _, runnable := range route.RunBefore {
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for _, gRunnable := range group.RunBefore {
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if gRunnable.Contents == runnable.Contents {
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continue skipRunnable
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}
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f := func(e1, e2 string) bool {
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return gRunnable.Contents == e1 && runnable.Contents == e2
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}
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// TODO: Stop hard-coding these
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if f("AdminOnly", "MemberOnly") {
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continue skipRunnable
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}
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if f("AdminOnly", "SuperModOnly") {
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continue skipRunnable
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}
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if f("SuperModOnly", "MemberOnly") {
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continue skipRunnable
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}
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}
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if runnable.Literal {
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on(5, runnable.Contents)
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} else {
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on(5, "err = c."+runnable.Contents+"(w,req,user)")
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iferrn(5)
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on(5, "")
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}
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}
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}
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if !route.Action && !route.NoHead && !group.NoHead {
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//on(5,"h, err := c.UserCheck(w,req,user)")
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userCheckNano(5, route)
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} else {
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//on(5, "cn := uutils.Nanotime()")
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}
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writeRoute(5, route)
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/*if !route.Action && !route.NoHead && !group.NoHead {
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on(5,"co.RouteViewCounter.Bump2(" + strconv.Itoa(allRouteMap[route.Name]) + ", h.StartedAt)")
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} else {*/
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//on(5,"co.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[route.Name]) + ")")
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on(5, "co.RouteViewCounter.Bump3("+strconv.Itoa(allRouteMap[route.Name])+", cn)")
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//}
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}
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if defaultRoute.Name != "" {
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mapIt(defaultRoute.Name)
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on(4, "default:")
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//on(5,"id = " + strconv.Itoa(allRouteMap[defaultRoute.Name]))
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out += runBefore(defaultRoute.RunBefore, 4)
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if !defaultRoute.Action && !defaultRoute.NoHead && !group.NoHead {
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//on(5, "h, err := c.UserCheck(w,req,user)"
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userCheckNano(5, defaultRoute)
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}
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writeRoute(5, defaultRoute)
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/*if !defaultRoute.Action && !defaultRoute.NoHead && !group.NoHead {
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on(5,"co.RouteViewCounter.Bump2(" + strconv.Itoa(allRouteMap[defaultRoute.Name]) + ", h.StartedAt)")
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} else {*/
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//on(5,co.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[defaultRoute.Name]) + ")")
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on(5, "co.RouteViewCounter.Bump3("+strconv.Itoa(allRouteMap[defaultRoute.Name])+", cn)")
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//}
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}
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on(3, "}")
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}
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// Stubs for us to refer to these routes through
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mapIt("routes.DynamicRoute")
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mapIt("routes.UploadedFile")
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mapIt("routes.StaticFile")
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mapIt("routes.RobotsTxt")
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mapIt("routes.SitemapXml")
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mapIt("routes.OpenSearchXml")
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mapIt("routes.Favicon")
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mapIt("routes.BadRoute")
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mapIt("routes.HTTPSRedirect")
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tmplVars.AllRouteNames = allRouteNames
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tmplVars.AllRouteMap = allRouteMap
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tmplVars.AllOSNames = []string{
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"unknown",
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"windows",
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"linux",
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"mac",
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"android",
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"iphone",
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}
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tmplVars.AllOSMap = make(map[string]int)
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for id, os := range tmplVars.AllOSNames {
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tmplVars.AllOSMap[os] = id
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}
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tmplVars.AllAgentNames = []string{
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"unknown",
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"opera",
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"chrome",
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"firefox",
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"safari",
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"edge",
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"internetexplorer",
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"trident", // Hack to support IE11
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"androidchrome",
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"mobilesafari",
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"samsung",
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"ucbrowser",
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"googlebot",
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"yandex",
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"bing",
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"slurp",
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"exabot",
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"mojeek",
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"cliqz",
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"qwant",
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"datenbank",
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"baidu",
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"sogou",
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"toutiao",
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"haosou",
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"duckduckgo",
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"seznambot",
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"discord",
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"telegram",
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"twitter",
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"facebook",
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"cloudflare",
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"archive_org",
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"uptimebot",
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"slackbot",
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"apple",
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"discourse",
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"xenforo",
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"mattermost",
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"alexa",
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"lynx",
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"blank",
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"malformed",
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"suspicious",
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"semrush",
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"dotbot",
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"ahrefs",
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"proximic",
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"megaindex",
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"majestic",
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"cocolyze",
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"babbar",
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"surdotly",
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"domcop",
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"netcraft",
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"blexbot",
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"wappalyzer",
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"twingly",
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"linkfluence",
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"burf",
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"aspiegel",
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"mail_ru",
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"ccbot",
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"yacy",
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"zgrab",
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"cloudsystemnetworks",
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"maui",
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"curl",
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"python",
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//"go",
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"headlesschrome",
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"awesome_bot",
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}
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tmplVars.AllAgentMap = make(map[string]int)
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for id, agent := range tmplVars.AllAgentNames {
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tmplVars.AllAgentMap[agent] = id
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}
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tmplVars.AllAgentMarkNames = []string{}
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tmplVars.AllAgentMarks = map[string]string{}
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// Add agent marks
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a := func(mark, agent string) {
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tmplVars.AllAgentMarkNames = append(tmplVars.AllAgentMarkNames, mark)
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tmplVars.AllAgentMarks[mark] = agent
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}
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a("OPR", "opera")
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a("Chrome", "chrome")
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a("Firefox", "firefox")
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a("Safari", "safari")
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a("MSIE", "internetexplorer")
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a("Trident", "trident") // Hack to support IE11
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a("Edge", "edge")
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a("Lynx", "lynx") // There's a rare android variant of lynx which isn't covered by this
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a("SamsungBrowser", "samsung")
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a("UCBrowser", "ucbrowser")
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a("Google", "googlebot")
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a("Googlebot", "googlebot")
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a("yandex", "yandex") // from the URL
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a("DuckDuckBot", "duckduckgo")
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a("DuckDuckGo", "duckduckgo")
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a("Baiduspider", "baidu")
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a("Sogou", "sogou")
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a("ToutiaoSpider", "toutiao")
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a("Bytespider", "toutiao")
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a("360Spider", "haosou")
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a("bingbot", "bing")
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a("BingPreview", "bing")
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a("msnbot", "bing")
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a("Slurp", "slurp")
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a("Exabot", "exabot")
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a("MojeekBot", "mojeek")
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a("Cliqzbot", "cliqz")
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a("Qwantify", "qwant")
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a("netEstate", "datenbank")
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a("SeznamBot", "seznambot")
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a("CloudFlare", "cloudflare") // Track alwayson specifically in case there are other bots?
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a("archive", "archive_org") //archive.org_bot
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a("Uptimebot", "uptimebot")
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a("Slackbot", "slackbot")
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a("Slack", "slackbot")
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a("Discordbot", "discord")
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a("TelegramBot", "telegram")
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a("Twitterbot", "twitter")
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a("facebookexternalhit", "facebook")
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a("Facebot", "facebook")
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a("Applebot", "apple")
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a("Discourse", "discourse")
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a("XenForo", "xenforo")
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a("mattermost", "mattermost")
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a("ia_archiver", "alexa")
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a("SemrushBot", "semrush")
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a("DotBot", "dotbot")
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a("AhrefsBot", "ahrefs")
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a("proximic", "proximic")
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a("MegaIndex", "megaindex")
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a("MJ12bot", "majestic") // TODO: This isn't matching bots out in the wild
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a("mj12bot", "majestic")
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a("Cocolyzebot", "cocolyze")
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a("Barkrowler", "babbar")
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a("SurdotlyBot", "surdotly")
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a("DomCopBot", "domcop")
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a("NetcraftSurveyAgent", "netcraft")
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a("BLEXBot", "blexbot")
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a("Wappalyzer", "wappalyzer")
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a("Twingly", "twingly")
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a("linkfluence", "linkfluence")
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a("Burf", "burf")
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a("AspiegelBot", "aspiegel")
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a("PetalBot", "aspiegel")
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a("RU_Bot", "mail_ru") // Mail.RU_Bot
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a("CCBot", "ccbot")
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a("yacybot", "yacy")
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a("zgrab", "zgrab")
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a("Nimbostratus", "cloudsystemnetworks")
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a("MauiBot", "maui")
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a("curl", "curl")
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a("python", "python")
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//a("Go", "go") // yacy has java as part of it's UA, try to avoid hitting crawlers written in go
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a("HeadlessChrome", "headlesschrome")
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a("awesome_bot", "awesome_bot")
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// TODO: Detect Adsbot/3.1, it has a similar user agent to Google's Adsbot, but it is different. No Google fragments.
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|
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tmplVars.AllAgentMarkIDs = make(map[string]int)
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for mark, agent := range tmplVars.AllAgentMarks {
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tmplVars.AllAgentMarkIDs[mark] = tmplVars.AllAgentMap[agent]
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}
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|
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fileData := `// Code generated by Gosora's Router Generator. DO NOT EDIT.
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/* This file was automatically generated by the software. Please don't edit it as your changes may be overwritten at any moment. */
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package main
|
|
|
|
import (
|
|
"log"
|
|
"strings"
|
|
//"bytes"
|
|
"strconv"
|
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"compress/gzip"
|
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"sync"
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"sync/atomic"
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"errors"
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"os"
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"net/http"
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"time"
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|
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c "github.com/Azareal/Gosora/common"
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co "github.com/Azareal/Gosora/common/counters"
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"github.com/Azareal/Gosora/uutils"
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"github.com/Azareal/Gosora/routes"
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"github.com/Azareal/Gosora/routes/panel"
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|
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//"github.com/andybalholm/brotli"
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)
|
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|
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var ErrNoRoute = errors.New("That route doesn't exist.")
|
|
// TODO: What about the /uploads/ route? x.x
|
|
var RouteMap = map[string]interface{}{ {{range .AllRouteNames}}
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"{{.Plain}}": {{.Short}},{{end}}
|
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}
|
|
|
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// ! NEVER RELY ON THESE REMAINING THE SAME BETWEEN COMMITS
|
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var routeMapEnum = map[string]int{ {{range $index, $el := .AllRouteNames}}
|
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"{{$el.Plain}}": {{$index}},{{end}}
|
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}
|
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var reverseRouteMapEnum = map[int]string{ {{range $index, $el := .AllRouteNames}}
|
|
{{$index}}: "{{$el.Plain}}",{{end}}
|
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}
|
|
var osMapEnum = map[string]int{ {{range $index, $el := .AllOSNames}}
|
|
"{{$el}}": {{$index}},{{end}}
|
|
}
|
|
var reverseOSMapEnum = map[int]string{ {{range $index, $el := .AllOSNames}}
|
|
{{$index}}: "{{$el}}",{{end}}
|
|
}
|
|
var agentMapEnum = map[string]int{ {{range $index, $el := .AllAgentNames}}
|
|
"{{$el}}": {{$index}},{{end}}
|
|
}
|
|
var reverseAgentMapEnum = map[int]string{ {{range $index, $el := .AllAgentNames}}
|
|
{{$index}}: "{{$el}}",{{end}}
|
|
}
|
|
var markToAgent = map[string]string{ {{range $index, $el := .AllAgentMarkNames}}
|
|
"{{$el}}": "{{index $.AllAgentMarks $el}}",{{end}}
|
|
}
|
|
var markToID = map[string]int{ {{range $index, $el := .AllAgentMarkNames}}
|
|
"{{$el}}": {{index $.AllAgentMarkIDs $el}},{{end}}
|
|
}
|
|
/*var agentRank = map[string]int{
|
|
"opera":9,
|
|
"chrome":8,
|
|
"safari":1,
|
|
}*/
|
|
|
|
// TODO: Stop spilling these into the package scope?
|
|
func init() {
|
|
_ = time.Now()
|
|
co.SetRouteMapEnum(routeMapEnum)
|
|
co.SetReverseRouteMapEnum(reverseRouteMapEnum)
|
|
co.SetAgentMapEnum(agentMapEnum)
|
|
co.SetReverseAgentMapEnum(reverseAgentMapEnum)
|
|
co.SetOSMapEnum(osMapEnum)
|
|
co.SetReverseOSMapEnum(reverseOSMapEnum)
|
|
|
|
g := func(n string) int {
|
|
a, ok := agentMapEnum[n]
|
|
if !ok {
|
|
panic("name not found in agentMapEnum")
|
|
}
|
|
return a
|
|
}
|
|
c.Chrome = g("chrome")
|
|
c.Firefox = g("firefox")
|
|
c.SimpleBots = []int{
|
|
g("semrush"),
|
|
g("ahrefs"),
|
|
g("python"),
|
|
//g("go"),
|
|
g("curl"),
|
|
}
|
|
}
|
|
|
|
type WriterIntercept struct {
|
|
http.ResponseWriter
|
|
}
|
|
|
|
func NewWriterIntercept(w http.ResponseWriter) *WriterIntercept {
|
|
return &WriterIntercept{w}
|
|
}
|
|
|
|
var wiMaxAge = "max-age=" + strconv.Itoa(int(c.Day))
|
|
func (wi *WriterIntercept) WriteHeader(code int) {
|
|
if code == 200 {
|
|
h := wi.ResponseWriter.Header()
|
|
h.Set("Cache-Control", wiMaxAge)
|
|
h.Set("Vary", "Accept-Encoding")
|
|
}
|
|
wi.ResponseWriter.WriteHeader(code)
|
|
}
|
|
|
|
// HTTPSRedirect is a connection handler which redirects all HTTP requests to HTTPS
|
|
type HTTPSRedirect struct {}
|
|
|
|
func (red *HTTPSRedirect) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
|
w.Header().Set("Connection", "close")
|
|
co.RouteViewCounter.Bump({{index .AllRouteMap "routes.HTTPSRedirect"}})
|
|
dest := "https://" + req.Host + req.URL.String()
|
|
http.Redirect(w, req, dest, http.StatusTemporaryRedirect)
|
|
}
|
|
|
|
type GenRouter struct {
|
|
UploadHandler func(http.ResponseWriter, *http.Request)
|
|
extraRoutes map[string]func(http.ResponseWriter, *http.Request, *c.User) c.RouteError
|
|
requestLogger *log.Logger
|
|
suspReqLogger *log.Logger
|
|
|
|
sync.RWMutex
|
|
}
|
|
|
|
func NewGenRouter(uploads http.Handler) (*GenRouter, error) {
|
|
f, err := os.OpenFile("./logs/reqs-"+strconv.FormatInt(c.StartTime.Unix(),10)+".log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0755)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
f2, err := os.OpenFile("./logs/reqs-susp-"+strconv.FormatInt(c.StartTime.Unix(),10)+".log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0755)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &GenRouter{
|
|
UploadHandler: func(w http.ResponseWriter, r *http.Request) {
|
|
writ := NewWriterIntercept(w)
|
|
http.StripPrefix("/uploads/",uploads).ServeHTTP(writ,r)
|
|
},
|
|
extraRoutes: make(map[string]func(http.ResponseWriter, *http.Request, *c.User) c.RouteError),
|
|
requestLogger: log.New(f, "", log.LstdFlags),
|
|
suspReqLogger: log.New(f2, "", log.LstdFlags),
|
|
}, nil
|
|
}
|
|
|
|
func (r *GenRouter) handleError(err c.RouteError, w http.ResponseWriter, req *http.Request, u *c.User) {
|
|
if err.Handled() {
|
|
return
|
|
}
|
|
if err.Type() == "system" {
|
|
c.InternalErrorJSQ(err, w, req, err.JSON())
|
|
return
|
|
}
|
|
c.LocalErrorJSQ(err.Error(), w, req, u, err.JSON())
|
|
}
|
|
|
|
func (r *GenRouter) Handle(_ string, _ http.Handler) {
|
|
}
|
|
|
|
func (r *GenRouter) HandleFunc(pattern string, h func(http.ResponseWriter, *http.Request, *c.User) c.RouteError) {
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
r.extraRoutes[pattern] = h
|
|
}
|
|
|
|
func (r *GenRouter) RemoveFunc(pattern string) error {
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
_, ok := r.extraRoutes[pattern]
|
|
if !ok {
|
|
return ErrNoRoute
|
|
}
|
|
delete(r.extraRoutes, pattern)
|
|
return nil
|
|
}
|
|
|
|
// TODO: Some of these sanitisations may be redundant
|
|
func (r *GenRouter) dumpRequest(req *http.Request, pre string,log *log.Logger) {
|
|
var sb strings.Builder
|
|
sb.WriteString(pre)
|
|
nfield := func(label, val string) {
|
|
sb.WriteString(label)
|
|
sb.WriteString(val)
|
|
}
|
|
field := func(label, val string) {
|
|
nfield(label,c.SanitiseSingleLine(val))
|
|
}
|
|
field("\nUA: ",req.UserAgent())
|
|
field("\nMethod: ",req.Method)
|
|
for key, value := range req.Header {
|
|
// Avoid logging this for security reasons
|
|
if key == "Cookie" {
|
|
continue
|
|
}
|
|
for _, vvalue := range value {
|
|
sb.WriteString("\nHead ")
|
|
sb.WriteString(c.SanitiseSingleLine(key))
|
|
sb.WriteString(": ")
|
|
sb.WriteString(c.SanitiseSingleLine(vvalue))
|
|
}
|
|
}
|
|
field("\nHost: ",req.Host)
|
|
field("\nURL.Path: ",req.URL.Path)
|
|
field("\nURL.RawQuery: ",req.URL.RawQuery)
|
|
field("\nRef: ",req.Referer())
|
|
nfield("\nIP: ",req.RemoteAddr)
|
|
sb.WriteString("\n")
|
|
|
|
log.Print(sb.String())
|
|
}
|
|
|
|
func (r *GenRouter) DumpRequest(req *http.Request, pre string) {
|
|
r.dumpRequest(req,pre,r.requestLogger)
|
|
}
|
|
|
|
func (r *GenRouter) SuspiciousRequest(req *http.Request, pre string) {
|
|
if pre != "" {
|
|
pre += "\nSuspicious Request"
|
|
} else {
|
|
pre = "Suspicious Request"
|
|
}
|
|
r.dumpRequest(req,pre,r.suspReqLogger)
|
|
co.AgentViewCounter.Bump({{.AllAgentMap.suspicious}})
|
|
}
|
|
|
|
func isLocalHost(h string) bool {
|
|
return h=="localhost" || h=="127.0.0.1" || h=="::1"
|
|
}
|
|
|
|
//var brPool = sync.Pool{}
|
|
var gzipPool = sync.Pool{}
|
|
//var uaBufPool = sync.Pool{}
|
|
|
|
// TODO: Pass the default path or config struct to the router rather than accessing it via a package global
|
|
// TODO: SetDefaultPath
|
|
// TODO: GetDefaultPath
|
|
func (r *GenRouter) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
|
malformedRequest := func(typ int) {
|
|
w.WriteHeader(200) // 400
|
|
w.Write([]byte(""))
|
|
r.DumpRequest(req,"Malformed Request T"+strconv.Itoa(typ))
|
|
co.AgentViewCounter.Bump({{.AllAgentMap.malformed}})
|
|
}
|
|
|
|
// Split the Host and Port string
|
|
var shost, sport string
|
|
if req.Host[0]=='[' {
|
|
spl := strings.Split(req.Host,"]")
|
|
if len(spl) > 2 {
|
|
malformedRequest(0)
|
|
return
|
|
}
|
|
shost = strings.TrimPrefix(spl[0],"[")
|
|
sport = strings.TrimPrefix(spl[1],":")
|
|
} else if strings.Contains(req.Host,":") {
|
|
spl := strings.Split(req.Host,":")
|
|
if len(spl) > 2 {
|
|
malformedRequest(1)
|
|
return
|
|
}
|
|
shost = spl[0]
|
|
//if len(spl)==2 {
|
|
sport = spl[1]
|
|
//}
|
|
} else {
|
|
shost = req.Host
|
|
}
|
|
// TODO: Reject requests from non-local IPs, if the site host is set to localhost or a localhost IP
|
|
if !c.Config.LoosePort && c.Site.PortInt != 80 && c.Site.PortInt != 443 && sport != c.Site.Port {
|
|
malformedRequest(2)
|
|
return
|
|
}
|
|
|
|
// Redirect www. and local IP requests to the right place
|
|
if strings.HasPrefix(shost, "www.") || c.Site.LocalHost {
|
|
if shost == "www." + c.Site.Host || (c.Site.LocalHost && shost != c.Site.Host && isLocalHost(shost)) {
|
|
// TODO: Abstract the redirect logic?
|
|
w.Header().Set("Connection", "close")
|
|
var s string
|
|
if c.Config.SslSchema {
|
|
s = "s"
|
|
}
|
|
var p string
|
|
if c.Site.PortInt != 80 && c.Site.PortInt != 443 {
|
|
p = ":"+c.Site.Port
|
|
}
|
|
dest := "http"+s+"://" + c.Site.Host+p + req.URL.Path
|
|
if len(req.URL.RawQuery) > 0 {
|
|
dest += "?" + req.URL.RawQuery
|
|
}
|
|
http.Redirect(w, req, dest, http.StatusMovedPermanently)
|
|
return
|
|
}
|
|
}
|
|
|
|
// Deflect malformed requests
|
|
if len(req.URL.Path) == 0 || req.URL.Path[0] != '/' || (!c.Config.LooseHost && shost != c.Site.Host) {
|
|
malformedRequest(3)
|
|
return
|
|
}
|
|
if c.Dev.FullReqLog {
|
|
r.DumpRequest(req,"")
|
|
}
|
|
|
|
// TODO: Cover more suspicious strings and at a lower layer than this
|
|
for _, ch := range req.URL.Path { //char
|
|
if ch != '&' && !(ch > 44 && ch < 58) && ch != '=' && ch != '?' && !(ch > 64 && ch < 91) && ch != '\\' && ch != '_' && !(ch > 96 && ch < 123) {
|
|
r.SuspiciousRequest(req,"Bad char '"+string(ch)+"' in path")
|
|
break
|
|
}
|
|
}
|
|
lp := strings.ToLower(req.URL.Path)
|
|
// TODO: Flag any requests which has a dot with anything but a number after that
|
|
// TODO: Use HasSuffix to avoid over-scanning?
|
|
if strings.Contains(lp,"..")/* || strings.Contains(lp,"--")*/ || strings.Contains(lp,".php") || strings.Contains(lp,".asp") || strings.Contains(lp,".cgi") || strings.Contains(lp,".py") || strings.Contains(lp,".sql") || strings.Contains(lp,".act") { //.action
|
|
r.SuspiciousRequest(req,"Bad snippet in path")
|
|
}
|
|
|
|
// Indirect the default route onto a different one
|
|
if req.URL.Path == "/" {
|
|
req.URL.Path = c.Config.DefaultPath
|
|
}
|
|
//log.Print("URL.Path: ", req.URL.Path)
|
|
prefix := req.URL.Path[0:strings.IndexByte(req.URL.Path[1:],'/') + 1]
|
|
|
|
// TODO: Use the same hook table as downstream
|
|
hTbl := c.GetHookTable()
|
|
skip, ferr := c.H_router_after_filters_hook(hTbl, w, req, prefix)
|
|
if skip || ferr != nil {
|
|
return
|
|
}
|
|
|
|
if prefix != "/ws" {
|
|
h := w.Header()
|
|
h.Set("X-Frame-Options", "deny")
|
|
h.Set("X-XSS-Protection", "1; mode=block") // TODO: Remove when we add a CSP? CSP's are horrendously glitchy things, tread with caution before removing
|
|
h.Set("X-Content-Type-Options", "nosniff")
|
|
if c.Config.RefNoRef || !c.Config.SslSchema {
|
|
h.Set("Referrer-Policy","no-referrer")
|
|
} else {
|
|
h.Set("Referrer-Policy","strict-origin")
|
|
}
|
|
}
|
|
|
|
if c.Dev.SuperDebug {
|
|
r.DumpRequest(req,"before routes.StaticFile")
|
|
}
|
|
// Increment the request counter
|
|
if !c.Config.DisableAnalytics {
|
|
co.GlobalViewCounter.Bump()
|
|
}
|
|
|
|
if prefix == "/s" { //old prefix: /static
|
|
if !c.Config.DisableAnalytics {
|
|
co.RouteViewCounter.Bump({{index .AllRouteMap "routes.StaticFile"}})
|
|
}
|
|
routes.StaticFile(w, req)
|
|
return
|
|
}
|
|
// TODO: Handle JS routes
|
|
if atomic.LoadInt32(&c.IsDBDown) == 1 {
|
|
c.DatabaseError(w, req)
|
|
return
|
|
}
|
|
if c.Dev.SuperDebug {
|
|
r.requestLogger.Print("before PreRoute")
|
|
}
|
|
|
|
/*if c.Dev.QuicPort != 0 {
|
|
w.Header().Set("Alt-Svc", "quic=\":"+strconv.Itoa(c.Dev.QuicPort)+"\"; ma=2592000; v=\"44,43,39\", h3-23=\":"+strconv.Itoa(c.Dev.QuicPort)+"\"; ma=3600, h3-24=\":"+strconv.Itoa(c.Dev.QuicPort)+"\"; ma=3600, h2=\":443\"; ma=3600")
|
|
}*/
|
|
|
|
// Track the user agents. Unfortunately, everyone pretends to be Mozilla, so this'll be a little less efficient than I would like.
|
|
// TODO: Add a setting to disable this?
|
|
// TODO: Use a more efficient detector instead of smashing every possible combination in
|
|
// TODO: Make this testable
|
|
var agent int
|
|
if !c.Config.DisableAnalytics {
|
|
|
|
ua := strings.TrimSpace(strings.Replace(strings.TrimPrefix(req.UserAgent(),"Mozilla/5.0 ")," Safari/537.36","",-1)) // Noise, no one's going to be running this and it would require some sort of agent ranking system to determine which identifier should be prioritised over another
|
|
if ua == "" {
|
|
co.AgentViewCounter.Bump({{.AllAgentMap.blank}})
|
|
if c.Dev.DebugMode {
|
|
var pre string
|
|
for _, char := range req.UserAgent() {
|
|
pre += strconv.Itoa(int(char)) + " "
|
|
}
|
|
r.DumpRequest(req,"Blank UA: " + pre)
|
|
}
|
|
} else {
|
|
// WIP UA Parser
|
|
//var ii = uaBufPool.Get()
|
|
var buf []byte
|
|
//if ii != nil {
|
|
// buf = ii.([]byte)
|
|
//}
|
|
var items []string
|
|
var os int
|
|
for _, it := range uutils.StringToBytes(ua) {
|
|
if (it > 64 && it < 91) || (it > 96 && it < 123) || (it > 47 && it < 58) || it == '_' {
|
|
// TODO: Store an index and slice that instead?
|
|
buf = append(buf, it)
|
|
} else if it == ' ' || it == '(' || it == ')' || it == '-' || it == ';' || it == ':' || it == '.' || it == '+' || it == '~' || it == '@' /*|| (it == ':' && bytes.Equal(buf,[]byte("http")))*/ || it == ',' || it == '/' {
|
|
//log.Print("buf: ",string(buf))
|
|
//log.Print("it: ",string(it))
|
|
if len(buf) != 0 {
|
|
if len(buf) > 2 {
|
|
// Use an unsafe zero copy conversion here just to use the switch, it's not safe for this string to escape from here, as it will get mutated, so do a regular string conversion in append
|
|
switch(uutils.BytesToString(buf)) {
|
|
case "Windows":
|
|
os = {{.AllOSMap.windows}}
|
|
case "Linux":
|
|
os = {{.AllOSMap.linux}}
|
|
case "Mac":
|
|
os = {{.AllOSMap.mac}}
|
|
case "iPhone":
|
|
os = {{.AllOSMap.iphone}}
|
|
case "Android":
|
|
os = {{.AllOSMap.android}}
|
|
case "like","compatible","NT","X","com","KHTML":
|
|
// Skip these words
|
|
default:
|
|
//log.Print("append buf")
|
|
items = append(items, string(buf))
|
|
}
|
|
}
|
|
//log.Print("reset buf")
|
|
buf = buf[:0]
|
|
}
|
|
} else {
|
|
// TODO: Test this
|
|
items = items[:0]
|
|
r.SuspiciousRequest(req,"Illegal char "+strconv.Itoa(int(it))+" in UA")
|
|
r.requestLogger.Print("UA Buf: ", buf)
|
|
r.requestLogger.Print("UA Buf String: ", string(buf))
|
|
break
|
|
}
|
|
}
|
|
//uaBufPool.Put(buf)
|
|
|
|
// Iterate over this in reverse as the real UA tends to be on the right side
|
|
for i := len(items) - 1; i >= 0; i-- {
|
|
//fAgent, ok := markToAgent[items[i]]
|
|
fAgent, ok := markToID[items[i]]
|
|
if ok {
|
|
agent = fAgent
|
|
if agent != {{.AllAgentMap.safari}} {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if c.Dev.SuperDebug {
|
|
r.requestLogger.Print("parsed agent: ", agent)
|
|
r.requestLogger.Print("os: ", os)
|
|
r.requestLogger.Printf("items: %+v\n",items)
|
|
/*for _, it := range items {
|
|
r.requestLogger.Printf("it: %+v\n",string(it))
|
|
}*/
|
|
}
|
|
|
|
// Special handling
|
|
switch(agent) {
|
|
case {{.AllAgentMap.chrome}}:
|
|
if os == {{.AllOSMap.android}} {
|
|
agent = {{.AllAgentMap.androidchrome}}
|
|
}
|
|
case {{.AllAgentMap.safari}}:
|
|
if os == {{.AllOSMap.iphone}} {
|
|
agent = {{.AllAgentMap.mobilesafari}}
|
|
}
|
|
case {{.AllAgentMap.trident}}:
|
|
// Hack to support IE11, change this after we start logging versions
|
|
if strings.Contains(ua,"rv:11") {
|
|
agent = {{.AllAgentMap.internetexplorer}}
|
|
}
|
|
case {{.AllAgentMap.zgrab}}:
|
|
w.WriteHeader(200) // 400
|
|
w.Write([]byte(""))
|
|
r.DumpRequest(req,"Blocked Scanner")
|
|
co.AgentViewCounter.Bump({{.AllAgentMap.zgrab}})
|
|
return
|
|
}
|
|
|
|
if agent == 0 {
|
|
//co.AgentViewCounter.Bump({{.AllAgentMap.unknown}})
|
|
if c.Dev.DebugMode {
|
|
var pre string
|
|
for _, char := range req.UserAgent() {
|
|
pre += strconv.Itoa(int(char)) + " "
|
|
}
|
|
r.DumpRequest(req,"Blank UA: " + pre)
|
|
} else {
|
|
r.requestLogger.Print("unknown ua: ", c.SanitiseSingleLine(req.UserAgent()))
|
|
}
|
|
}// else {
|
|
//co.AgentViewCounter.Bump(agentMapEnum[agent])
|
|
co.AgentViewCounter.Bump(agent)
|
|
//}
|
|
co.OSViewCounter.Bump(os)
|
|
}
|
|
|
|
// TODO: Do we want to track missing language headers too? Maybe as it's own type, e.g. "noheader"?
|
|
// TODO: Default to anything other than en, if anything else is present, to avoid over-representing it for multi-linguals?
|
|
lang := req.Header.Get("Accept-Language")
|
|
if lang != "" {
|
|
// TODO: Reduce allocs here
|
|
lLang := strings.Split(strings.TrimSpace(lang),"-")
|
|
tLang := strings.Split(strings.Split(lLang[0],";")[0],",")
|
|
c.DebugDetail("tLang:", tLang)
|
|
var llLang string
|
|
for _, seg := range tLang {
|
|
if seg == "*" {
|
|
continue
|
|
}
|
|
llLang = seg
|
|
break
|
|
}
|
|
c.DebugDetail("llLang:", llLang)
|
|
if !co.LangViewCounter.Bump(llLang) {
|
|
r.DumpRequest(req,"Invalid ISO Code")
|
|
}
|
|
} else {
|
|
co.LangViewCounter.Bump2(0)
|
|
}
|
|
|
|
if !c.Config.RefNoTrack {
|
|
ae := req.Header.Get("Accept-Encoding")
|
|
likelyBot := ae == "gzip" || ae == ""
|
|
if !likelyBot {
|
|
ref := req.Header.Get("Referer") // Check the 'referrer' header too? :P
|
|
// TODO: Extend the effects of DNT elsewhere?
|
|
if ref != "" && req.Header.Get("DNT") != "1" {
|
|
// ? Optimise this a little?
|
|
ref = strings.TrimPrefix(strings.TrimPrefix(ref,"http://"),"https://")
|
|
ref = strings.Split(ref,"/")[0]
|
|
portless := strings.Split(ref,":")[0]
|
|
// TODO: Handle c.Site.Host in uppercase too?
|
|
if portless != "localhost" && portless != "127.0.0.1" && portless != c.Site.Host {
|
|
r.DumpRequest(req,"Ref Route")
|
|
co.ReferrerTracker.Bump(ref)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// Deal with the session stuff, etc.
|
|
ucpy, ok := c.PreRoute(w, req)
|
|
if !ok {
|
|
return
|
|
}
|
|
user := &ucpy
|
|
user.LastAgent = agent
|
|
if c.Dev.SuperDebug {
|
|
r.requestLogger.Print(
|
|
"after PreRoute\n" +
|
|
"routeMapEnum: ", routeMapEnum)
|
|
}
|
|
//log.Println("req: ", req)
|
|
|
|
// Disable Gzip when SSL is disabled for security reasons?
|
|
if prefix != "/ws" {
|
|
ae := req.Header.Get("Accept-Encoding")
|
|
/*if strings.Contains(ae, "br") {
|
|
h := w.Header()
|
|
h.Set("Content-Encoding", "br")
|
|
var ii = brPool.Get()
|
|
var igzw *brotli.Writer
|
|
if ii == nil {
|
|
igzw = brotli.NewWriter(w)
|
|
} else {
|
|
igzw = ii.(*brotli.Writer)
|
|
igzw.Reset(w)
|
|
}
|
|
gzw := c.BrResponseWriter{Writer: igzw, ResponseWriter: w}
|
|
defer func() {
|
|
//h := w.Header()
|
|
if h.Get("Content-Encoding") == "br" && h.Get("X-I") == "" {
|
|
//log.Print("push br close")
|
|
igzw := gzw.Writer.(*brotli.Writer)
|
|
igzw.Close()
|
|
brPool.Put(igzw)
|
|
}
|
|
}()
|
|
w = gzw
|
|
} else */if strings.Contains(ae, "gzip") {
|
|
h := w.Header()
|
|
h.Set("Content-Encoding", "gzip")
|
|
var ii = gzipPool.Get()
|
|
var igzw *gzip.Writer
|
|
if ii == nil {
|
|
igzw = gzip.NewWriter(w)
|
|
} else {
|
|
igzw = ii.(*gzip.Writer)
|
|
igzw.Reset(w)
|
|
}
|
|
gzw := c.GzipResponseWriter{Writer: igzw, ResponseWriter: w}
|
|
defer func() {
|
|
//h := w.Header()
|
|
if h.Get("Content-Encoding") == "gzip" && h.Get("X-I") == "" {
|
|
//log.Print("push gzip close")
|
|
igzw := gzw.Writer.(*gzip.Writer)
|
|
igzw.Close()
|
|
gzipPool.Put(igzw)
|
|
}
|
|
}()
|
|
w = gzw
|
|
}
|
|
}
|
|
|
|
skip, ferr = c.H_router_pre_route_hook(hTbl, w, req, user, prefix)
|
|
if skip || ferr != nil {
|
|
r.handleError(ferr,w,req,user)
|
|
return
|
|
}
|
|
var extraData string
|
|
if req.URL.Path[len(req.URL.Path) - 1] != '/' {
|
|
extraData = req.URL.Path[strings.LastIndexByte(req.URL.Path,'/') + 1:]
|
|
req.URL.Path = req.URL.Path[:strings.LastIndexByte(req.URL.Path,'/') + 1]
|
|
}
|
|
ferr = r.routeSwitch(w, req, user, prefix, extraData)
|
|
if ferr != nil {
|
|
r.handleError(ferr,w,req,user)
|
|
return
|
|
}
|
|
/*if !c.Config.DisableAnalytics {
|
|
co.RouteViewCounter.Bump(id)
|
|
}*/
|
|
|
|
hTbl.VhookNoRet("router_end", w, req, user, prefix, extraData)
|
|
//c.StoppedServer("Profile end")
|
|
}
|
|
|
|
func (r *GenRouter) routeSwitch(w http.ResponseWriter, req *http.Request, user *c.User, prefix, extraData string) /*(id int, orerr */c.RouteError/*)*/ {
|
|
var err c.RouteError
|
|
cn := uutils.Nanotime()
|
|
switch(prefix) {` + out + `
|
|
/*case "/sitemaps": // TODO: Count these views
|
|
req.URL.Path += extraData
|
|
err = sitemapSwitch(w,req)*/
|
|
// ! Temporary fix for certain bots
|
|
case "/static":
|
|
w.Header().Set("Connection", "close")
|
|
http.Redirect(w, req, "/s/"+extraData, http.StatusTemporaryRedirect)
|
|
case "/uploads":
|
|
if extraData == "" {
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.UploadedFile"}}, cn)
|
|
return c.NotFound(w,req,nil)
|
|
}
|
|
w = r.responseWriter(w)
|
|
req.URL.Path += extraData
|
|
// TODO: Find a way to propagate errors up from this?
|
|
r.UploadHandler(w,req) // TODO: Count these views
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.UploadedFile"}}, cn)
|
|
return nil
|
|
case "":
|
|
// Stop the favicons, robots.txt file, etc. resolving to the topics list
|
|
// TODO: Add support for favicons and robots.txt files
|
|
switch(extraData) {
|
|
case "robots.txt":
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.RobotsTxt"}}, cn)
|
|
return routes.RobotsTxt(w,req)
|
|
case "favicon.ico":
|
|
w = r.responseWriter(w)
|
|
req.URL.Path = "/s/favicon.ico"
|
|
routes.StaticFile(w,req)
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.Favicon"}}, cn)
|
|
return nil
|
|
case "opensearch.xml":
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.OpenSearchXml"}}, cn)
|
|
return routes.OpenSearchXml(w,req)
|
|
/*case "sitemap.xml":
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.SitemapXml"}}, cn)
|
|
return routes.SitemapXml(w,req)*/
|
|
}
|
|
co.RouteViewCounter.Bump({{index .AllRouteMap "routes.Error"}})
|
|
return c.NotFound(w,req,nil)
|
|
default:
|
|
// A fallback for dynamic routes, e.g. ones declared by plugins
|
|
r.RLock()
|
|
h, ok := r.extraRoutes[req.URL.Path]
|
|
r.RUnlock()
|
|
req.URL.Path += extraData
|
|
|
|
if ok {
|
|
// TODO: Be more specific about *which* dynamic route it is
|
|
co.RouteViewCounter.Bump({{index .AllRouteMap "routes.DynamicRoute"}})
|
|
return h(w,req,user)
|
|
}
|
|
co.RouteViewCounter.Bump3({{index .AllRouteMap "routes.BadRoute"}}, cn)
|
|
|
|
lp := strings.ToLower(req.URL.Path)
|
|
if strings.Contains(lp,"admin") || strings.Contains(lp,"sql") || strings.Contains(lp,"manage") || strings.Contains(lp,"//") || strings.Contains(lp,"\\\\") || strings.Contains(lp,"wp") || strings.Contains(lp,"wordpress") || strings.Contains(lp,"config") || strings.Contains(lp,"setup") || strings.Contains(lp,"install") || strings.Contains(lp,"update") || strings.Contains(lp,"php") || strings.Contains(lp,"pl") || strings.Contains(lp,"wget") || strings.Contains(lp,"wp-") || strings.Contains(lp,"include") || strings.Contains(lp,"vendor") || strings.Contains(lp,"bin") || strings.Contains(lp,"system") || strings.Contains(lp,"eval") || strings.Contains(lp,"config") {
|
|
r.SuspiciousRequest(req,"Bad Route")
|
|
return c.MicroNotFound(w,req)
|
|
}
|
|
|
|
r.DumpRequest(req,"Bad Route")
|
|
ae := req.Header.Get("Accept-Encoding")
|
|
likelyBot := ae == "gzip" || ae == ""
|
|
if likelyBot {
|
|
return c.MicroNotFound(w,req)
|
|
}
|
|
return c.NotFound(w,req,nil)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (r *GenRouter) responseWriter(w http.ResponseWriter) http.ResponseWriter {
|
|
/*if bzw, ok := w.(c.BrResponseWriter); ok {
|
|
w = bzw.ResponseWriter
|
|
w.Header().Del("Content-Encoding")
|
|
} else */if gzw, ok := w.(c.GzipResponseWriter); ok {
|
|
w = gzw.ResponseWriter
|
|
w.Header().Del("Content-Encoding")
|
|
}
|
|
return w
|
|
}
|
|
`
|
|
tmpl := template.Must(template.New("router").Parse(fileData))
|
|
var b bytes.Buffer
|
|
if err := tmpl.Execute(&b, tmplVars); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
writeFile("./gen_router.go", b.String())
|
|
log.Println("Successfully generated the router")
|
|
}
|
|
|
|
func writeFile(name, content string) {
|
|
f, err := os.Create(name)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
_, err = f.WriteString(content)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
err = f.Sync()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
err = f.Close()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|