From 3fe3def49f2b937bce396b3b0c56c399adf2ae79 Mon Sep 17 00:00:00 2001 From: Lan Tian Date: Mon, 1 Jun 2020 22:17:25 +0800 Subject: [PATCH] frontend: use template for rendering (partial) --- frontend/template.go | 302 +++++++------------------------------ frontend/templateHelper.go | 198 ++++++++++++++++++++++++ frontend/webserver.go | 66 ++++---- 3 files changed, 285 insertions(+), 281 deletions(-) create mode 100644 frontend/templateHelper.go diff --git a/frontend/template.go b/frontend/template.go index d7bd690..f96ee3a 100644 --- a/frontend/template.go +++ b/frontend/template.go @@ -1,128 +1,40 @@ package main import ( - "net" - "net/http" - "sort" - "strconv" - "strings" + "text/template" ) -// Helper to check if the IP is valid -func isIP(s string) bool { - return nil != net.ParseIP(s) +type tmplArguments struct { + // Global options + Options map[string]string + Servers []string + + // Parameters related to current request + AllServersLinkActive bool + AllServersURL string + // Whois specific handling (for its unique URL) + IsWhois bool + WhoisTarget string + + URLProto string + URLOption string + URLServer string + URLCommand string + + // Generated content to be displayed + Title string + Content string } -// Helper to check if the number is valid -func isNumber(s string) bool { - _, err := strconv.Atoi(s) - return nil == err -} - -// Print HTML header to the given http response -func templateHeader(w http.ResponseWriter, r *http.Request, title string) { - path := r.URL.Path[1:] - split := strings.Split(path, "/") - - // Mark if the URL is for a whois query - var isWhois bool = split[0] == "whois" - var whoisTarget string = strings.Join(split[1:], "/") - - // Use a default URL if the request URL is too short - // The URL is for return to IPv4 summary page - if len(split) < 3 { - path = "ipv4/summary/" + strings.Join(setting.servers, "+") + "/" - } else if len(split) == 3 { - path += "/" - } - - split = strings.Split(path, "/") - - // Compose URLs for link in navbar - ipv4URL := "/" + strings.Join([]string{"ipv4", split[1], split[2], strings.Join(split[3:], "/")}, "/") - ipv6URL := "/" + strings.Join([]string{"ipv6", split[1], split[2], strings.Join(split[3:], "/")}, "/") - allURL := "/" + strings.Join([]string{split[0], split[1], strings.Join(setting.servers, "+"), strings.Join(split[3:], "/")}, "/") - - // Check if the "All Server" link should be marked as active - var serverAllActive bool = strings.ToLower(split[2]) == strings.ToLower(strings.Join(setting.servers, "+")) - - // Print the IPv4, IPv6, All Servers link in navbar - var serverNavigation string = ` -
  • IPv4
    • -
  • IPv6
    • - | -
  • - All Servers -
    • ` - - // Add a link for each of the servers - for _, server := range setting.servers { - var serverActive string - if split[2] == server { - serverActive = " active" - } - serverURL := "/" + strings.Join([]string{split[0], split[1], server, strings.Join(split[3:], "/")}, "/") - - serverNavigation += ` -
  • - ` + server + ` -
    • ` - } - - // Add the options in navbar form, and check if they are active - var optionKeys = []string{ - "summary", - "detail", - "route", - "route_all", - "route_bgpmap", - "route_where", - "route_where_all", - "route_where_bgpmap", - "whois", - "traceroute", - } - var optionDisplays = []string{ - "show protocol", - "show protocol all", - "show route for ...", - "show route for ... all", - "show route for ... (bgpmap)", - "show route where net ~ [ ... ]", - "show route where net ~ [ ... ] all", - "show route where net ~ [ ... ] (bgpmap)", - "whois ...", - "traceroute ...", - } - - var options string - for optionKeyID, optionKey := range optionKeys { - options += "