style
sophuwu sophie@skisiel.com
Fri, 29 Dec 2023 21:28:07 +0100
5 files changed,
321 insertions(+),
7 deletions(-)
M
main.go
→
main.go
@@ -2,8 +2,9 @@ package main
import ( "bytes" - "log" + "fmt" "net/http" + "os" "os/exec" "path/filepath" "strings"@@ -11,15 +12,22 @@ )
func main() { http.HandleFunc("/cgi-bin/man/", handleWIS) - log.Println("Starting server on http://localhost:1234") - log.Fatal(http.ListenAndServe(":1234", nil)) + http.HandleFunc("/style.css", func(w http.ResponseWriter, r *http.Request) { + w.Header().Set("Content-Type", "text/css; charset=utf-8") + w.WriteHeader(http.StatusOK) + b, _ := os.ReadFile("style.css") + w.Write(b) + b, _ = os.ReadFile("font.css") + w.Write(b) + }) + http.Handle("/", http.RedirectHandler("/cgi-bin/man/man2html", http.StatusTemporaryRedirect)) + http.ListenAndServe("0.0.0.0:1234", nil) } func handleWIS(w http.ResponseWriter, r *http.Request) { - w.Header().Set("Content-Type", "text/html") exe := filepath.Base(r.URL.Path) if !(exe == "man2html" || exe == "mansearch" || exe == "mansec" || exe == "manwhatis") { - http.Error(w, "Not found", http.StatusNotFound) + http.Redirect(w, r, "/cgi-bin/man/man2html", http.StatusTemporaryRedirect) return } q := ""@@ -29,12 +37,17 @@ }
cmd := exec.Command("/usr/lib/cgi-bin/man/" + exe) var buff bytes.Buffer cmd.Env = append(cmd.Env, "QUERY_STRING="+q, "REQUEST_METHOD="+r.Method, "SERVER_NAME=localhost:1234") - // cmd.Env = append(cmd.Env, "MANPATH=/usr/man:/usr/share/man:/usr/local/man:/usr/local/share/man:/usr/X11R6/man:/opt/man:/snap/man") + cmd.Env = append(cmd.Env, "MANPATH=/usr/man:/usr/share/man:/usr/local/man:/usr/local/share/man:/usr/X11R6/man:/opt/man:/snap/man") cmd.Stdout = &buff err := cmd.Run() if err != nil { http.Redirect(w, r, "/cgi-bin/man/man2html", http.StatusTemporaryRedirect) return } - buff.WriteTo(w) + w.Header().Set("Content-Type", "text/html; charset=utf-8") + w.WriteHeader(http.StatusOK) + page := buff.String() + page = page[strings.Index(page, "<!"):] + i := strings.Index(page, "</HEAD>") + fmt.Fprint(w, page[:i], `<link rel="stylesheet" href="/style.css">`, page[i:]) }
A
two/mansearch
@@ -0,0 +1,301 @@
+#!/bin/sh +# vim:ts=4:et +# +# Interface to a glimpse search of the man pages. +# Michael Hamilton <michael@actrix.gen.nz> +# Small changes - aeb, 980109 +# +# $Id: mansearch,v 1.19 2005-10-19 20:56:30 robert Exp $ + + +type search++ > /dev/null 2> /dev/null || { + cat <<EOF +Content-type: text/html; charset=UTF-8 + +<title>Swish++ not installed</title> +<body> +<h1>Swish++ not installed</h1> +Search is only enabled if the <b>Swish++</b> package is installed. +You may <a href="https://packages.debian.org/swish++">download</a> it from +the <a href="https://www.debian.org">Debian</a> site. +</body> +EOF + exit 0 +} + + +# Do we need lynxcgi URLs? For the moment our criterion is +# 1) HTTP_USER_AGENT=Lynx* and 2) HTTP_HOST is unset. +AGENT="${HTTP_USER_AGENT-unknown}" + +case "$AGENT" in + Lynx*|lynx*) + HH="${HTTP_HOST-nohh}" + SED="s/%lynx //" + ;; + *) + HH=nolynx + SED="/%lynx/d" + ;; +esac + +SERVER="${SERVER_NAME-localhost}" +case "$HH" in + nohh) + CG="lynxcgi:/usr/lib/cgi-bin/man" + ;; + *) + CG="/cgi-bin/man" + ;; +esac +QUOTE="'" +export CG QUOTE SED + +exec gawk ' +# Generate pages index +function number_pages( searchfor, skip, maxperpage, resultcnt ) { + if ( resultcnt < maxperpage || skip < 0 ) { + return; + } + if (skip > resultcnt) { + skip = 0; + } + + max = 10; # max returned pages + searchurl= cgipath "/mansearch" urlencode(searchfor, 1); + pagescnt = int (resultcnt / maxperpage) + 1; + pageno = int (skip / maxperpage); + first = int (pageno / max) * max - 1; + last = first + max + 1; + + print "<CENTER>"; + + + i = first; + skip = i * maxperpage; + while (i <= last && i < pagescnt) { + ss = "" + if (i == pageno ) { + ss = ss "[<STRONG>" (i + 1) "</STRONG>]" + } else if (i >= 0) { + ss = ss "[<EM><A HREF=\"" searchurl; + if (skip > 0) { + ss = ss "&skip=" skip; + } + ss = ss "\">"; + if (i == first) { + ss = ss "<<"; + } else if (i == last) { + ss = ss ">>"; + } else { + ss = ss (i + 1); + } + + ss = ss "</A></EM>]"; + } + print ss; + i++; + skip += maxperpage; + } + print "</CENTER>"; +} + +function urldecode(string) { + gsub(/\+/, " ", string); + oldIGNORECASE=IGNORECASE; + IGNORECASE=1; + while(match(string, /%[0-9a-f][0-9a-f]/)) { + a=substr(string, RSTART + 1, RLENGTH - 1); + b=sprintf("%c",strtonum("0x" a)) ; + retstr = retstr substr(string, 0, RSTART - 1) b; + string = substr(string, RSTART + RLENGTH); + } + IGNORECASE=oldIGNORECASE; + return retstr string; +} + +# Encode URL; the force argument forces "query=...." format +function urlencode(string, force) { +# uses global ord table, set up in BEGIN + encoded = force; + retstr = ""; + while(match(string, /[^a-zA-Z0-9_:\/\.\-]/)) { + a=substr(string, RSTART, RLENGTH); + if (a == " ") { + b = "+"; + } else { + b = "%" sprintf("%02X", ord[a]); + } + retstr = retstr substr(string, 0, RSTART - 1) b; + string = substr(string, RSTART + RLENGTH); + encoded = 1; + } + + if (encoded) { + return "?query=" retstr string; + } else { + return retstr string; + } +} + +BEGIN { + # fill ord table, used by urlencode + for (i = 0; i < 255; i++) + ord[sprintf("%c", i)] = i + + + searchdocument = "/usr/share/man2html/mansearch.aux"; + quote = ENVIRON["QUOTE"]; + cgipath = ENVIRON["CG"]; + sedcmd = ENVIRON["SED"]; + maxperpage = 50; # Single page display match limit. + + glimpse_cmd = "search++ --config-file=/usr/share/man2html/swish++.conf " + + + qry_str = ENVIRON["QUERY_STRING"]; + if (match(qry_str, /skip=[0-9]+/)) { + skip = int(substr(qry_str, RSTART + 5, RLENGTH - 5) / maxperpage) * maxperpage; + } else { + skip = 0 + } + + if (match(qry_str, /query=[^&]+/)) { + qry_str = substr(qry_str, RSTART + 6, RLENGTH - 6); + string = urldecode(qry_str); + } + if (!string) { + for (i = 1; i < ARGC; i++) { + string = string " " ARGV[i]; + } + } + + # Have to be careful to single quote this + # string later. + gsub(/[^a-zA-Z0-9\-_+ \t\/@%:;,$*|=]/, " ", string); + + # string = removeopts(string); + + # gsub(/[^a-zA-Z0-9-_+ \t\/@%:,]/, " ", options); + + + if (!string) { + if (system("test -r " searchdocument ) != 0) { + print "<HTML><HEAD>"; + print "<TITLE>mansearch - file not found</TITLE>"; + print "</HEAD>\n<BODY>"; + print "Sorry - cannot read " searchdocument "."; + print "</BODY></HTML>"; + exit; + } + system("sed " quote "s#%cg#" cgipath "#g;" sedcmd quote " " searchdocument ); + exit; + } + + print "Content-type: text/html; charset=UTF-8\n"; + print "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"; + print "<HTML>"; + print "<HEAD>"; + print "<TITLE>Manual Pages - Search Results: " string "</TITLE>"; + print "</HEAD>"; + print "<BODY>"; + + print "<H1>Manual Pages - Search Results</H1>"; + print "<H2>Target text: " string "</H2>"; + + print "<A HREF=\"" cgipath "/mansearch\">"; + print "Perform another search"; + print "</A><BR>"; + print "<A HREF=\"" cgipath "/man2html\">"; + print "Return to Main Contents"; + print "</A>"; + + print "<HR>"; + + if ( skip > 0) { + options = options "--skip-results=" skip; + } + if ( maxperpage > 0 ) { + options = options "-m " maxperpage; + } + + # Unless you like being hacked, the single + # forward quotes are most important. + cmd = glimpse_cmd " " options " " quote string quote " 2>/dev/null" ; + while ((cmd | getline matchline) > 0) { + if (split(matchline, part, "__--__") <= 3) { + if ( match( matchline, "^# results: .*$" ) ) { + resultcnt = substr( matchline, RSTART + 11, RLENGTH - 11 ) + 0; + number_pages( string, skip, maxperpage, resultcnt ); + + } + continue; + } + else { + fullname = part[2]; + } + + if (fullname == last_fullname) { + continue; + } + + last_fullname = fullname ; + last_text = ""; + + if (match(fullname, ".*/")) { + dirname = substr(fullname, 1, RLENGTH); + filename = substr(fullname, RLENGTH + 1); + } else { + filename = fullname; + } + + if (match(filename, /\.[^.]+$/)) { + ref = substr(filename, 1, RSTART - 1) "+" substr(filename, RSTART + 1); + } else { + ref = filename; + } + textname = filename; + sub(/\.(gz|Z|z)$/, "", textname); + + # replace last "." with "(". gsub is used to count number of "." + textname = gensub(/\./, "(", gsub(/\./, ".", textname), textname); + textname = textname ")"; + if (mcount == 0) { + print "<DL>"; + } + mcount++; + print "<DT><A HREF=\"" cgipath "/man2html" urlencode(fullname, 0) "\">" textname "</A>" \ + " <EM>(" part[1] "%)</EM></DT>"; + + text = part[4]; + if ( text == filename ) { + text = textname; + } else { + sub(/^ *.[^ ]+[- ]+/, "", text); + sub(/ +$/, "", text); + gsub(/\\f./, "", text); + gsub(/\\&/, "", text); + gsub(/\\/, "", text); + } + print "<DD>" text "</DD>"; + print "<DT><BR></DT>"; + } + close(cmd); + + print "</DL>"; + + number_pages( string, skip, maxperpage, resultcnt ); + if (resultcnt == 0) { + print "No matches found."; + } + else if (resultcnt == 1) { + print "<HR>\n<P>1 match found." + } + else { + print "<HR>\n<P>" resultcnt " matches found." + } + print "</BODY>"; + print "</HTML>"; + exit; +}' "$@" +