Commit | Line | Data |
---|---|---|
0eb21b21 NR |
1 | #!/bin/sh |
2 | ||
7f7487a6 NR |
3 | # $0 [server] ([selector]) ([port]) ([mode]) |
4 | # server: the gopher server to dig to | |
5 | # selector: the gopher selector (default is empty) | |
6 | # port: the port to use (default is 70) | |
7 | # mode: the filetype mode (default depends upon selector) | |
8 | # 0: plain text | |
9 | # 1: menu (dir-like) | |
10 | # ... | |
11 | # download: fake mode to download the result without changes | |
12 | ||
c6852b70 NR |
13 | # ENV variables: |
14 | # LINK_COLOR: escape sequences colour (def: 2) | |
15 | # - : means no escape sequence | |
16 | # 1 : means colour 1 | |
17 | # 2 : means colour 2 | |
18 | # [...] | |
19 | ||
0eb21b21 NR |
20 | SERVER="$1" |
21 | SELECTOR="$2" | |
22 | PORT="$3" | |
23 | MODE="$4" | |
24 | ||
25 | # Defaults: | |
26 | [ "$PORT" = "" ] && PORT=70 | |
27 | if [ "$MODE" = "" ]; then | |
28 | # "" or dir-like selector? -> 1 ; if not -> 0 | |
29 | echo "$SELECTOR" | grep "/$" >/dev/null && MODE=1 || MODE=0 | |
30 | [ "$SELECTOR" = "" ] && MODE=1 | |
31 | fi | |
32 | ||
33 | if [ "$SERVER" = "" ]; then | |
34 | echo "Syntax error: $0 [SERVER] ([SELECTOR]) ([PORT]) ([MODE])" >&2 | |
35 | exit 2 | |
36 | fi | |
37 | ||
c6852b70 NR |
38 | # can be "-" for no escape sequences |
39 | [ "$LINK_COLOR" = "" ] && LINK_COLOR=2 | |
050494fa NR |
40 | |
41 | # Start and end link tags | |
42 | SL= | |
43 | EL= | |
c6852b70 | 44 | if [ "$LINK_COLOR" != "-" ]; then |
050494fa NR |
45 | SL="`tput setf $LINK_COLOR``tput setaf $LINK_COLOR`" |
46 | EL="`tput init`"; | |
47 | fi | |
48 | ||
7f7487a6 NR |
49 | PREFIX="[0-9h]" |
50 | ||
0eb21b21 | 51 | # $0 [FILE] |
050494fa | 52 | # Display a gopher menu for the given resource |
0eb21b21 NR |
53 | cat_menu() { |
54 | i=0 | |
7f7487a6 | 55 | cat "$1" | grep "^i\|^$PREFIX" | while read ln; do |
0eb21b21 NR |
56 | ln="`echo "$ln" | cut -f1`" |
57 | if echo "$ln" | grep "^i" >/dev/null 2>&1; then | |
58 | echo "$ln" | sed "s:^.: :g" | |
7f7487a6 | 59 | elif echo "$ln" | grep "^$PREFIX" >/dev/null 2>&1; then |
0eb21b21 NR |
60 | i=`expr $i + 1` |
61 | i=`printf %2.f $i` | |
62 | field="`echo "$ln" | cut -c1`" | |
63 | case "$field" in | |
64 | 0) typ='TXT';; | |
7f7487a6 NR |
65 | 1) typ='DIR';; # menu, actually |
66 | 7) typ='(?)';; # query | |
67 | 8) typ='TEL';; # TELnet (not TELephone) | |
68 | h) typ='WEB';; # HTML | |
69 | g) typ='GIF';; | |
70 | I) typ='IMG';; | |
71 | +) typ='SVR';; # redundant server | |
050494fa | 72 | *) typ='!!!';; |
0eb21b21 | 73 | esac |
050494fa | 74 | echo "$ln" | sed "s:^.\\(.*\\):$typ $i $SL\\1$EL:g" |
0eb21b21 NR |
75 | #else |
76 | # Bad line | |
77 | fi | |
78 | done | |
79 | } | |
80 | ||
0eb21b21 | 81 | # $0 [FILE] [INDEX] [FIELD] |
050494fa NR |
82 | # Get a field from the given-by-index link in FILE |
83 | # | |
0eb21b21 NR |
84 | # Fields: |
85 | # 1 = type/name | |
86 | # 2 = selector | |
87 | # 3 = server | |
88 | # 4 = port | |
89 | getsel() { | |
7f7487a6 | 90 | cat "$1" | grep "^$PREFIX" | tail -n+"$2" | head -n 1 | cut -f"$3" |
0eb21b21 NR |
91 | } |
92 | ||
bb019694 | 93 | tmp="`mktemp -t gofetch.current_page.XXXXXX`" |
0eb21b21 NR |
94 | finish() { |
95 | rm -rf "$tmp" | |
96 | } | |
97 | trap finish EXIT | |
98 | ||
99 | if [ $MODE = 1 ]; then | |
100 | echo "$SELECTOR" | nc "$SERVER" "$PORT" | sed 's:\r::g' > "$tmp" | |
101 | else | |
102 | echo "$SELECTOR" | nc "$SERVER" "$PORT" > "$tmp" | |
103 | fi | |
104 | ||
105 | case "$MODE" in | |
7f7487a6 NR |
106 | download) |
107 | # Special, fake mode, only from top-level | |
108 | cat "$tmp" | |
109 | ;; | |
0eb21b21 NR |
110 | 0) |
111 | cat "$tmp" | less | |
112 | ;; | |
113 | 1) | |
114 | CHOICE=start | |
115 | while [ "$CHOICE" != "" ]; do | |
116 | cat_menu "$tmp" | less | |
117 | read -p "[$SELECTOR]: " CHOICE | |
118 | index="`expr 1 \* "$CHOICE" 2>/dev/null`" | |
119 | if [ "$index" != "" ]; then | |
120 | goto_server="`getsel "$tmp" $index 3`" | |
121 | goto_sel="`getsel "$tmp" $index 2`" | |
122 | goto_port="`getsel "$tmp" $index 4`" | |
123 | goto_mode="`getsel "$tmp" $index 1 | cut -c1`" | |
124 | sh "$0" "$goto_server" "$goto_sel" "$goto_port" "$goto_mode" | |
125 | fi | |
126 | done | |
127 | ;; | |
128 | 7) | |
129 | read -p "Query: " SEARCH | |
130 | selQuery="$SELECTOR $SEARCH" | |
131 | ||
132 | exec sh "$0" "$SERVER" "$selQuery" "$PORT" 1 | |
133 | ;; | |
134 | 8) | |
135 | telnet -l "$SELECTOR" "$SERVER" "$PORT" | |
136 | read DUMMY | |
137 | ;; | |
138 | 9) | |
139 | echo "<BINARY FILE>" | less | |
140 | ;; | |
141 | *) | |
142 | echo "unknwon selector mode: <$MODE>" | less | |
143 | exit 3 | |
144 | ;; | |
145 | esac |