9d321e9f23
The router now rejects host headers with the wrong port for non-standard ports. The www. redirect now handles non-standard ports properly. The Site.Port configuration setting is now validated on start-up to ensure it's a valid integer. Quickly fixed up the grammar of the Port block in configuration.md
867 lines
25 KiB
Go
867 lines
25 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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"text/template"
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)
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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 []string
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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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AllOSNames []string
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AllOSMap map[string]int
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}
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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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var 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 []string
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var allRouteMap = make(map[string]int)
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var out string
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var mapIt = func(name string) {
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allRouteNames = append(allRouteNames, name)
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allRouteMap[name] = len(allRouteNames) - 1
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}
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var countToIndents = func(indent int) (indentor string) {
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for i := 0; i < indent; i++ {
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indentor += "\t"
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}
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return indentor
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}
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var runBefore = func(runnables []Runnable, indent int) (out string) {
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var indentor = countToIndents(indent)
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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" + indentor + runnable.Contents
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} else {
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out += "\n" + indentor + "err = common." + runnable.Contents + "(w,req,user)\n" +
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indentor + "if err != nil {\n" +
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indentor + "\treturn err\n" +
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indentor + "}\n" + indentor
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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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for _, route := range r.routeList {
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mapIt(route.Name)
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var end = len(route.Path) - 1
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out += "\n\t\tcase \"" + route.Path[0:end] + "\":"
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out += runBefore(route.RunBefore, 4)
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out += "\n\t\t\tcounters.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[route.Name]) + ")"
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if !route.Action && !route.NoHead {
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out += "\n\t\t\thead, err := common.UserCheck(w,req,&user)"
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out += "\n\t\t\tif err != nil {\n\t\t\t\treturn err\n\t\t\t}"
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vcpy := route.Vars
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route.Vars = []string{"head"}
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route.Vars = append(route.Vars, vcpy...)
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}
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out += "\n\t\t\terr = " + route.Name + "(w,req,user"
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for _, item := range route.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 _, group := range r.routeGroups {
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var end = len(group.Path) - 1
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out += "\n\t\tcase \"" + group.Path[0:end] + "\":"
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out += runBefore(group.RunBefore, 3)
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out += "\n\t\t\tswitch(req.URL.Path) {"
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var 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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out += "\n\t\t\t\tcase \"" + route.Path + "\":"
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if len(route.RunBefore) > 0 {
|
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skipRunnable:
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|
for _, runnable := range route.RunBefore {
|
|
for _, gRunnable := range group.RunBefore {
|
|
if gRunnable.Contents == runnable.Contents {
|
|
continue
|
|
}
|
|
// TODO: Stop hard-coding these
|
|
if gRunnable.Contents == "AdminOnly" && runnable.Contents == "MemberOnly" {
|
|
continue skipRunnable
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|
}
|
|
if gRunnable.Contents == "AdminOnly" && runnable.Contents == "SuperModOnly" {
|
|
continue skipRunnable
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|
}
|
|
if gRunnable.Contents == "SuperModOnly" && runnable.Contents == "MemberOnly" {
|
|
continue skipRunnable
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}
|
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}
|
|
|
|
if runnable.Literal {
|
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out += "\n\t\t\t\t\t" + runnable.Contents
|
|
} else {
|
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out += `
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err = common.` + runnable.Contents + `(w,req,user)
|
|
if err != nil {
|
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return err
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}
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`
|
|
}
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}
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}
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out += "\n\t\t\t\t\tcounters.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[route.Name]) + ")"
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if !route.Action && !route.NoHead && !group.NoHead {
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out += "\n\t\t\t\thead, err := common.UserCheck(w,req,&user)"
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out += "\n\t\t\t\tif err != nil {\n\t\t\t\t\treturn err\n\t\t\t\t}"
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vcpy := route.Vars
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route.Vars = []string{"head"}
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route.Vars = append(route.Vars, vcpy...)
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}
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out += "\n\t\t\t\t\terr = " + route.Name + "(w,req,user"
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for _, item := range route.Vars {
|
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out += "," + item
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}
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out += ")"
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|
}
|
|
|
|
if defaultRoute.Name != "" {
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mapIt(defaultRoute.Name)
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out += "\n\t\t\t\tdefault:"
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|
out += runBefore(defaultRoute.RunBefore, 4)
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out += "\n\t\t\t\t\tcounters.RouteViewCounter.Bump(" + strconv.Itoa(allRouteMap[defaultRoute.Name]) + ")"
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if !defaultRoute.Action && !defaultRoute.NoHead && !group.NoHead {
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out += "\n\t\t\t\t\thead, err := common.UserCheck(w,req,&user)"
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out += "\n\t\t\t\t\tif err != nil {\n\t\t\t\t\t\treturn err\n\t\t\t\t\t}"
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vcpy := defaultRoute.Vars
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defaultRoute.Vars = []string{"head"}
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defaultRoute.Vars = append(defaultRoute.Vars, vcpy...)
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}
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out += "\n\t\t\t\t\terr = " + defaultRoute.Name + "(w,req,user"
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for _, item := range defaultRoute.Vars {
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out += ", " + item
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}
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out += ")"
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|
}
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out += `
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}`
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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.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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"firefox",
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"chrome",
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"opera",
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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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"baidu",
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"duckduckgo",
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"seznambot",
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"discord",
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"twitter",
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"facebook",
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|
"cloudflare",
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"uptimebot",
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"slackbot",
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"discourse",
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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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"zgrab",
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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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"OPR",
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"Chrome",
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"Firefox",
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"MSIE",
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"Trident",
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|
"Edge",
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|
"Lynx",
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|
"SamsungBrowser",
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|
"UCBrowser",
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|
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|
"Google",
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|
"Googlebot",
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|
"yandex",
|
|
"DuckDuckBot",
|
|
"Baiduspider",
|
|
"bingbot",
|
|
"BingPreview",
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|
"SeznamBot",
|
|
"CloudFlare",
|
|
"Uptimebot",
|
|
"Slackbot",
|
|
"Discordbot",
|
|
"Twitterbot",
|
|
"facebookexternalhit",
|
|
"Facebot",
|
|
"Discourse",
|
|
|
|
"SemrushBot",
|
|
"DotBot",
|
|
"zgrab",
|
|
}
|
|
|
|
tmplVars.AllAgentMarks = map[string]string{
|
|
"OPR": "opera",
|
|
"Chrome": "chrome",
|
|
"Firefox": "firefox",
|
|
"MSIE": "internetexplorer",
|
|
"Trident": "trident", // Hack to support IE11
|
|
"Edge": "edge",
|
|
"Lynx": "lynx", // There's a rare android variant of lynx which isn't covered by this
|
|
"SamsungBrowser": "samsung",
|
|
"UCBrowser": "ucbrowser",
|
|
|
|
"Google": "googlebot",
|
|
"Googlebot": "googlebot",
|
|
"yandex": "yandex", // from the URL
|
|
"DuckDuckBot": "duckduckgo",
|
|
"Baiduspider": "baidu",
|
|
"bingbot": "bing",
|
|
"BingPreview": "bing",
|
|
"SeznamBot": "seznambot",
|
|
"CloudFlare": "cloudflare", // Track alwayson specifically in case there are other bots?
|
|
"Uptimebot": "uptimebot",
|
|
"Slackbot": "slackbot",
|
|
"Discordbot": "discord",
|
|
"Twitterbot": "twitter",
|
|
"facebookexternalhit": "facebook",
|
|
"Facebot": "facebook",
|
|
"Discourse": "discourse",
|
|
|
|
"SemrushBot": "semrush",
|
|
"DotBot": "dotbot",
|
|
"zgrab": "zgrab",
|
|
}
|
|
|
|
var 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"
|
|
"compress/gzip"
|
|
"sync"
|
|
"sync/atomic"
|
|
"errors"
|
|
"os"
|
|
"net/http"
|
|
|
|
"github.com/Azareal/Gosora/common"
|
|
"github.com/Azareal/Gosora/common/counters"
|
|
"github.com/Azareal/Gosora/routes"
|
|
"github.com/Azareal/Gosora/routes/panel"
|
|
)
|
|
|
|
var ErrNoRoute = errors.New("That route doesn't exist.")
|
|
// TODO: What about the /uploads/ route? x.x
|
|
var RouteMap = map[string]interface{}{ {{range .AllRouteNames}}
|
|
"{{.}}": {{.}},{{end}}
|
|
}
|
|
|
|
// ! NEVER RELY ON THESE REMAINING THE SAME BETWEEN COMMITS
|
|
var routeMapEnum = map[string]int{ {{range $index, $element := .AllRouteNames}}
|
|
"{{$element}}": {{$index}},{{end}}
|
|
}
|
|
var reverseRouteMapEnum = map[int]string{ {{range $index, $element := .AllRouteNames}}
|
|
{{$index}}: "{{$element}}",{{end}}
|
|
}
|
|
var osMapEnum = map[string]int{ {{range $index, $element := .AllOSNames}}
|
|
"{{$element}}": {{$index}},{{end}}
|
|
}
|
|
var reverseOSMapEnum = map[int]string{ {{range $index, $element := .AllOSNames}}
|
|
{{$index}}: "{{$element}}",{{end}}
|
|
}
|
|
var agentMapEnum = map[string]int{ {{range $index, $element := .AllAgentNames}}
|
|
"{{$element}}": {{$index}},{{end}}
|
|
}
|
|
var reverseAgentMapEnum = map[int]string{ {{range $index, $element := .AllAgentNames}}
|
|
{{$index}}: "{{$element}}",{{end}}
|
|
}
|
|
var markToAgent = map[string]string{ {{range $index, $element := .AllAgentMarkNames}}
|
|
"{{$element}}": "{{index $.AllAgentMarks $element}}",{{end}}
|
|
}
|
|
/*var agentRank = map[string]int{
|
|
"opera":9,
|
|
"chrome":8,
|
|
"safari":1,
|
|
}*/
|
|
|
|
// TODO: Stop spilling these into the package scope?
|
|
func init() {
|
|
counters.SetRouteMapEnum(routeMapEnum)
|
|
counters.SetReverseRouteMapEnum(reverseRouteMapEnum)
|
|
counters.SetAgentMapEnum(agentMapEnum)
|
|
counters.SetReverseAgentMapEnum(reverseAgentMapEnum)
|
|
counters.SetOSMapEnum(osMapEnum)
|
|
counters.SetReverseOSMapEnum(reverseOSMapEnum)
|
|
}
|
|
|
|
type WriterIntercept struct {
|
|
http.ResponseWriter
|
|
}
|
|
|
|
func NewWriterIntercept(w http.ResponseWriter) *WriterIntercept {
|
|
return &WriterIntercept{w}
|
|
}
|
|
|
|
var wiMaxAge = "max-age=" + strconv.Itoa(int(common.Day))
|
|
func (writ *WriterIntercept) WriteHeader(code int) {
|
|
if code == 200 {
|
|
writ.ResponseWriter.Header().Set("Cache-Control", wiMaxAge)
|
|
writ.ResponseWriter.Header().Set("Vary", "Accept-Encoding")
|
|
}
|
|
writ.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")
|
|
counters.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, common.User) common.RouteError
|
|
requestLogger *log.Logger
|
|
|
|
sync.RWMutex
|
|
}
|
|
|
|
func NewGenRouter(uploads http.Handler) (*GenRouter, error) {
|
|
f, err := os.OpenFile("./logs/reqs-"+strconv.FormatInt(common.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, req *http.Request) {
|
|
writ := NewWriterIntercept(w)
|
|
http.StripPrefix("/uploads/",uploads).ServeHTTP(writ,req)
|
|
},
|
|
extraRoutes: make(map[string]func(http.ResponseWriter, *http.Request, common.User) common.RouteError),
|
|
requestLogger: log.New(f, "", log.LstdFlags),
|
|
}, nil
|
|
}
|
|
|
|
func (r *GenRouter) handleError(err common.RouteError, w http.ResponseWriter, req *http.Request, user common.User) {
|
|
if err.Handled() {
|
|
return
|
|
}
|
|
|
|
if err.Type() == "system" {
|
|
common.InternalErrorJSQ(err, w, req, err.JSON())
|
|
return
|
|
}
|
|
common.LocalErrorJSQ(err.Error(), w, req, user, err.JSON())
|
|
}
|
|
|
|
func (r *GenRouter) Handle(_ string, _ http.Handler) {
|
|
}
|
|
|
|
func (r *GenRouter) HandleFunc(pattern string, handle func(http.ResponseWriter, *http.Request, common.User) common.RouteError) {
|
|
r.Lock()
|
|
defer r.Unlock()
|
|
r.extraRoutes[pattern] = handle
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
func (r *GenRouter) DumpRequest(req *http.Request, prepend string) {
|
|
var heads string
|
|
for key, value := range req.Header {
|
|
for _, vvalue := range value {
|
|
heads += "Header '" + common.SanitiseSingleLine(key) + "': " + common.SanitiseSingleLine(vvalue) + "!\n"
|
|
}
|
|
}
|
|
|
|
r.requestLogger.Print(prepend +
|
|
"\nUA: " + common.SanitiseSingleLine(req.UserAgent()) + "\n" +
|
|
"Method: " + common.SanitiseSingleLine(req.Method) + "\n" + heads +
|
|
"req.Host: " + common.SanitiseSingleLine(req.Host) + "\n" +
|
|
"req.URL.Path: " + common.SanitiseSingleLine(req.URL.Path) + "\n" +
|
|
"req.URL.RawQuery: " + common.SanitiseSingleLine(req.URL.RawQuery) + "\n" +
|
|
"req.Referer(): " + common.SanitiseSingleLine(req.Referer()) + "\n" +
|
|
"req.RemoteAddr: " + req.RemoteAddr + "\n")
|
|
}
|
|
|
|
func (r *GenRouter) SuspiciousRequest(req *http.Request, prepend string) {
|
|
if prepend != "" {
|
|
prepend += "\n"
|
|
}
|
|
r.DumpRequest(req,prepend+"Suspicious Request")
|
|
counters.AgentViewCounter.Bump({{.AllAgentMap.suspicious}})
|
|
}
|
|
|
|
func isLocalHost(host string) bool {
|
|
return host=="localhost" || host=="127.0.0.1" || host=="::1"
|
|
}
|
|
|
|
// 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) {
|
|
var malformedRequest = func() {
|
|
w.WriteHeader(200) // 400
|
|
w.Write([]byte(""))
|
|
r.DumpRequest(req,"Malformed Request")
|
|
counters.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()
|
|
return
|
|
}
|
|
shost = strings.TrimPrefix(spl[0],"[")
|
|
sport = strings.TrimPrefix(spl[1],":")
|
|
} else {
|
|
spl := strings.Split(req.Host,":")
|
|
if len(spl) > 2 {
|
|
malformedRequest()
|
|
return
|
|
}
|
|
shost = spl[0]
|
|
if len(shost)==2 {
|
|
sport = spl[1]
|
|
}
|
|
}
|
|
// TODO: Reject requests from non-local IPs, if the site host is set to localhost or a localhost IP
|
|
if common.Site.PortInt != 80 && common.Site.PortInt != 443 && sport != common.Site.Port {
|
|
malformedRequest()
|
|
return
|
|
}
|
|
|
|
// Redirect www. and local IP requests to the right place
|
|
if shost == "www." + common.Site.Host || (common.Site.LocalHost && shost != common.Site.Host && isLocalHost(shost)) {
|
|
// TODO: Abstract the redirect logic?
|
|
w.Header().Set("Connection", "close")
|
|
var s string
|
|
if common.Site.EnableSsl {
|
|
s = "s"
|
|
}
|
|
var p string
|
|
if common.Site.PortInt != 80 && common.Site.PortInt != 443 {
|
|
p = ":"+common.Site.Port
|
|
}
|
|
dest := "http"+s+"://" + common.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] != '/' || shost != common.Site.Host {
|
|
malformedRequest()
|
|
return
|
|
}
|
|
if common.Dev.FullReqLog {
|
|
r.DumpRequest(req,"")
|
|
}
|
|
|
|
// TODO: Cover more suspicious strings and at a lower layer than this
|
|
for _, char := range req.URL.Path {
|
|
if char != '&' && !(char > 44 && char < 58) && char != '=' && char != '?' && !(char > 64 && char < 91) && char != '\\' && char != '_' && !(char > 96 && char < 123) {
|
|
r.SuspiciousRequest(req,"Bad char in path")
|
|
break
|
|
}
|
|
}
|
|
lowerPath := strings.ToLower(req.URL.Path)
|
|
// TODO: Flag any requests which has a dot with anything but a number after that
|
|
if strings.Contains(req.URL.Path,"..") || strings.Contains(req.URL.Path,"--") || strings.Contains(lowerPath,".php") || strings.Contains(lowerPath,".asp") || strings.Contains(lowerPath,".cgi") || strings.Contains(lowerPath,".py") || strings.Contains(lowerPath,".sql") || strings.Contains(lowerPath,".action") {
|
|
r.SuspiciousRequest(req,"Bad snippet in path")
|
|
}
|
|
|
|
// Indirect the default route onto a different one
|
|
if req.URL.Path == "/" {
|
|
req.URL.Path = common.Config.DefaultPath
|
|
}
|
|
|
|
var prefix, extraData string
|
|
prefix = req.URL.Path[0:strings.IndexByte(req.URL.Path[1:],'/') + 1]
|
|
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]
|
|
}
|
|
|
|
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
|
|
// TODO: Set the content policy header
|
|
h.Set("X-Content-Type-Options", "nosniff")
|
|
}
|
|
|
|
if common.Dev.SuperDebug {
|
|
r.DumpRequest(req,"before routes.StaticFile")
|
|
}
|
|
// Increment the request counter
|
|
counters.GlobalViewCounter.Bump()
|
|
|
|
if prefix == "/static" {
|
|
counters.RouteViewCounter.Bump({{ index .AllRouteMap "routes.StaticFile" }})
|
|
req.URL.Path += extraData
|
|
routes.StaticFile(w, req)
|
|
return
|
|
}
|
|
if atomic.LoadInt32(&common.IsDBDown) == 1 {
|
|
common.DatabaseError(w, req)
|
|
return
|
|
}
|
|
if common.Dev.SuperDebug {
|
|
r.requestLogger.Print("before PreRoute")
|
|
}
|
|
|
|
// 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
|
|
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 == "" {
|
|
counters.AgentViewCounter.Bump({{.AllAgentMap.blank}})
|
|
if common.Dev.DebugMode {
|
|
var prepend string
|
|
for _, char := range req.UserAgent() {
|
|
prepend += strconv.Itoa(int(char)) + " "
|
|
}
|
|
r.DumpRequest(req,"Blank UA: " + prepend)
|
|
}
|
|
} else {
|
|
// WIP UA Parser
|
|
var items []string
|
|
var buffer []byte
|
|
var os string
|
|
for _, item := range StringToBytes(ua) {
|
|
if (item > 64 && item < 91) || (item > 96 && item < 123) {
|
|
buffer = append(buffer, item)
|
|
} else if item == ' ' || item == '(' || item == ')' || item == '-' || (item > 47 && item < 58) || item == '_' || item == ';' || item == ':' || item == '.' || item == '+' || item == '~' || item == '@' || (item == ':' && bytes.Equal(buffer,[]byte("http"))) || item == ',' || item == '/' {
|
|
if len(buffer) != 0 {
|
|
if len(buffer) > 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(BytesToString(buffer)) {
|
|
case "Windows":
|
|
os = "windows"
|
|
case "Linux":
|
|
os = "linux"
|
|
case "Mac":
|
|
os = "mac"
|
|
case "iPhone":
|
|
os = "iphone"
|
|
case "Android":
|
|
os = "android"
|
|
case "like","compatible":
|
|
// Skip these words
|
|
default:
|
|
items = append(items, string(buffer))
|
|
}
|
|
}
|
|
buffer = buffer[:0]
|
|
}
|
|
} else {
|
|
// TODO: Test this
|
|
items = items[:0]
|
|
r.SuspiciousRequest(req,"Illegal char "+strconv.Itoa(int(item))+" in UA")
|
|
r.requestLogger.Print("UA Buffer: ", buffer)
|
|
r.requestLogger.Print("UA Buffer String: ", string(buffer))
|
|
break
|
|
}
|
|
}
|
|
if os == "" {
|
|
os = "unknown"
|
|
}
|
|
|
|
// Iterate over this in reverse as the real UA tends to be on the right side
|
|
var agent string
|
|
for i := len(items) - 1; i >= 0; i-- {
|
|
fAgent, ok := markToAgent[items[i]]
|
|
if ok {
|
|
agent = fAgent
|
|
if agent != "safari" {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if common.Dev.SuperDebug {
|
|
r.requestLogger.Print("parsed agent: ", agent)
|
|
}
|
|
if common.Dev.SuperDebug {
|
|
r.requestLogger.Print("os: ", os)
|
|
r.requestLogger.Printf("items: %+v\n",items)
|
|
}
|
|
|
|
// Special handling
|
|
switch(agent) {
|
|
case "chrome":
|
|
if os == "android" {
|
|
agent = "androidchrome"
|
|
}
|
|
case "safari":
|
|
if os == "iphone" {
|
|
agent = "mobilesafari"
|
|
}
|
|
case "trident":
|
|
// Hack to support IE11, change this after we start logging versions
|
|
if strings.Contains(ua,"rv:11") {
|
|
agent = "internetexplorer"
|
|
}
|
|
case "zgrab":
|
|
r.SuspiciousRequest(req,"Vulnerability Scanner")
|
|
}
|
|
|
|
if agent == "" {
|
|
counters.AgentViewCounter.Bump({{.AllAgentMap.unknown}})
|
|
if common.Dev.DebugMode {
|
|
var prepend string
|
|
for _, char := range req.UserAgent() {
|
|
prepend += strconv.Itoa(int(char)) + " "
|
|
}
|
|
r.DumpRequest(req,"Blank UA: " + prepend)
|
|
}
|
|
} else {
|
|
counters.AgentViewCounter.Bump(agentMapEnum[agent])
|
|
}
|
|
counters.OSViewCounter.Bump(osMapEnum[os])
|
|
}
|
|
|
|
// TODO: Do we want to track missing language headers too? Maybe as it's own type, e.g. "noheader"?
|
|
lang := req.Header.Get("Accept-Language")
|
|
if lang != "" {
|
|
lang = strings.TrimSpace(lang)
|
|
lLang := strings.Split(lang,"-")
|
|
tLang := strings.Split(strings.Split(lLang[0],";")[0],",")
|
|
common.DebugDetail("tLang:", tLang)
|
|
var llLang string
|
|
for _, seg := range tLang {
|
|
if seg == "*" {
|
|
continue
|
|
}
|
|
llLang = seg
|
|
break
|
|
}
|
|
common.DebugDetail("llLang:", llLang)
|
|
if llLang == "" {
|
|
counters.LangViewCounter.Bump("none")
|
|
} else {
|
|
validCode := counters.LangViewCounter.Bump(llLang)
|
|
if !validCode {
|
|
r.DumpRequest(req,"Invalid ISO Code")
|
|
}
|
|
}
|
|
} else {
|
|
counters.LangViewCounter.Bump("none")
|
|
}
|
|
|
|
referrer := req.Header.Get("Referer") // Check the 'referrer' header too? :P
|
|
if referrer != "" {
|
|
// ? Optimise this a little?
|
|
referrer = strings.TrimPrefix(strings.TrimPrefix(referrer,"http://"),"https://")
|
|
referrer = strings.Split(referrer,"/")[0]
|
|
portless := strings.Split(referrer,":")[0]
|
|
if portless != "localhost" && portless != "127.0.0.1" && portless != common.Site.Host {
|
|
counters.ReferrerTracker.Bump(referrer)
|
|
}
|
|
}
|
|
|
|
// Deal with the session stuff, etc.
|
|
user, ok := common.PreRoute(w, req)
|
|
if !ok {
|
|
return
|
|
}
|
|
if common.Dev.SuperDebug {
|
|
r.requestLogger.Print(
|
|
"after PreRoute\n" +
|
|
"routeMapEnum: ", routeMapEnum)
|
|
}
|
|
|
|
// Disable Gzip when SSL is disabled for security reasons?
|
|
if prefix != "/ws" && strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") {
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
w.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
gz := gzip.NewWriter(w)
|
|
defer func() {
|
|
if w.Header().Get("Content-Encoding") == "gzip" {
|
|
gz.Close()
|
|
}
|
|
}()
|
|
w = common.GzipResponseWriter{Writer: gz, ResponseWriter: w}
|
|
}
|
|
|
|
ferr := r.routeSwitch(w, req, user, prefix, extraData)
|
|
if ferr != nil {
|
|
r.handleError(ferr,w,req,user)
|
|
}
|
|
//common.StoppedServer("Profile end")
|
|
}
|
|
|
|
func (r *GenRouter) routeSwitch(w http.ResponseWriter, req *http.Request, user common.User, prefix string, extraData string) common.RouteError {
|
|
var err common.RouteError
|
|
switch(prefix) {` + out + `
|
|
/*case "/sitemaps": // TODO: Count these views
|
|
req.URL.Path += extraData
|
|
err = sitemapSwitch(w,req)*/
|
|
case "/uploads":
|
|
if extraData == "" {
|
|
return common.NotFound(w,req,nil)
|
|
}
|
|
gzw, ok := w.(common.GzipResponseWriter)
|
|
if ok {
|
|
w = gzw.ResponseWriter
|
|
w.Header().Del("Content-Type")
|
|
w.Header().Del("Content-Encoding")
|
|
}
|
|
counters.RouteViewCounter.Bump({{index .AllRouteMap "routes.UploadedFile" }})
|
|
req.URL.Path += extraData
|
|
// TODO: Find a way to propagate errors up from this?
|
|
r.UploadHandler(w,req) // TODO: Count these views
|
|
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":
|
|
counters.RouteViewCounter.Bump({{index .AllRouteMap "routes.RobotsTxt"}})
|
|
return routes.RobotsTxt(w,req)
|
|
case "favicon.ico":
|
|
req.URL.Path = "/static"+req.URL.Path+extraData
|
|
//log.Print("req.URL.Path: ",req.URL.Path)
|
|
routes.StaticFile(w,req)
|
|
return nil
|
|
/*case "sitemap.xml":
|
|
counters.RouteViewCounter.Bump({{index .AllRouteMap "routes.SitemapXml"}})
|
|
return routes.SitemapXml(w,req)*/
|
|
}
|
|
return common.NotFound(w,req,nil)
|
|
default:
|
|
// A fallback for dynamic routes, e.g. ones declared by plugins
|
|
r.RLock()
|
|
handle, ok := r.extraRoutes[req.URL.Path]
|
|
r.RUnlock()
|
|
|
|
if ok {
|
|
counters.RouteViewCounter.Bump({{index .AllRouteMap "routes.DynamicRoute" }}) // TODO: Be more specific about *which* dynamic route it is
|
|
req.URL.Path += extraData
|
|
return handle(w,req,user)
|
|
}
|
|
|
|
lowerPath := strings.ToLower(req.URL.Path)
|
|
if strings.Contains(lowerPath,"admin") || strings.Contains(lowerPath,"sql") || strings.Contains(lowerPath,"manage") || strings.Contains(lowerPath,"//") || strings.Contains(lowerPath,"\\\\") || strings.Contains(lowerPath,"wp") || strings.Contains(lowerPath,"wordpress") || strings.Contains(lowerPath,"config") || strings.Contains(lowerPath,"setup") || strings.Contains(lowerPath,"install") || strings.Contains(lowerPath,"update") || strings.Contains(lowerPath,"php") {
|
|
r.SuspiciousRequest(req,"Bad Route")
|
|
} else {
|
|
r.DumpRequest(req,"Bad Route")
|
|
}
|
|
counters.RouteViewCounter.Bump({{index .AllRouteMap "routes.BadRoute" }})
|
|
return common.NotFound(w,req,nil)
|
|
}
|
|
return err
|
|
}
|
|
`
|
|
var tmpl = template.Must(template.New("router").Parse(fileData))
|
|
var b bytes.Buffer
|
|
err := tmpl.Execute(&b, tmplVars)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
writeFile("./gen_router.go", string(b.Bytes()))
|
|
log.Println("Successfully generated the router")
|
|
}
|
|
|
|
func writeFile(name string, content string) {
|
|
f, err := os.Create(name)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
_, err = f.WriteString(content)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
f.Sync()
|
|
f.Close()
|
|
}
|