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https://github.com/processone/ejabberd.git
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new CAPTCHA script since previous one has been broken
SVN Revision: 2631
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parent
4606f33081
commit
a126a1883e
@ -1,21 +1,52 @@
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#!/bin/sh
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SIGN=$(($RANDOM % 2))
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INPUT=$1
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R1=$(($RANDOM % 20))
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R2=$(($RANDOM % 10 + 40))
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WAVE1_AMPLITUDE=$((2 + $RANDOM % 5))
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WAVE1_LENGTH=$((50 + $RANDOM % 25))
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WAVE2_AMPLITUDE=$((2 + $RANDOM % 5))
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WAVE2_LENGTH=$((50 + $RANDOM % 25))
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WAVE3_AMPLITUDE=$((2 + $RANDOM % 5))
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WAVE3_LENGTH=$((50 + $RANDOM % 25))
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W1_LINE_START_Y=$((10 + $RANDOM % 40))
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W1_LINE_STOP_Y=$((10 + $RANDOM % 40))
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W2_LINE_START_Y=$((10 + $RANDOM % 40))
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W2_LINE_STOP_Y=$((10 + $RANDOM % 40))
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W3_LINE_START_Y=$((10 + $RANDOM % 40))
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W3_LINE_STOP_Y=$((10 + $RANDOM % 40))
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if [ $SIGN -eq "0" ]; then
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S1=$(( -1*($RANDOM % 20 + 50) ))
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S2=$(( $RANDOM % 20 + 50 ))
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else
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S2=$(( -1*($RANDOM % 20 + 50) ))
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S1=$(( $RANDOM % 20 + 50 ))
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fi
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B1_LINE_START_Y=$(($RANDOM % 40))
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B1_LINE_STOP_Y=$(($RANDOM % 40))
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B2_LINE_START_Y=$(($RANDOM % 40))
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B2_LINE_STOP_Y=$(($RANDOM % 40))
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#B3_LINE_START_Y=$(($RANDOM % 40))
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#B3_LINE_STOP_Y=$(($RANDOM % 40))
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convert -size 140x60 xc:white \
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-pointsize 30 -draw "text 20,30 '$1'" \
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-roll -$R2+$R1 -swirl $S1 \
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-roll +$R2-$R1 -swirl $S2 \
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+repage -resize 120x60 \
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-quality 90 -depth 8 png:-
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B1_LINE_START_X=$(($RANDOM % 20))
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B1_LINE_STOP_X=$((100 + $RANDOM % 40))
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B2_LINE_START_X=$(($RANDOM % 20))
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B2_LINE_STOP_X=$((100 + $RANDOM % 40))
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#B3_LINE_START_X=$(($RANDOM % 20))
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#B3_LINE_STOP_X=$((100 + $RANDOM % 40))
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ROLL_X=$(($RANDOM % 40))
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convert -size 180x60 xc:none -pointsize 40 \
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\( -clone 0 -fill white \
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-stroke black -strokewidth 4 -annotate +0+40 "$INPUT" \
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-stroke white -strokewidth 2 -annotate +0+40 "$INPUT" \
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-roll +$ROLL_X+0 \
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-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
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-roll -$ROLL_X+0 \) \
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\( -clone 0 -stroke black \
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-strokewidth 1 -draw \
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"line $B1_LINE_START_X,$B1_LINE_START_Y $B1_LINE_STOP_X,$B1_LINE_STOP_Y" \
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-strokewidth 1 -draw \
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"line $B2_LINE_START_X,$B2_LINE_START_Y $B2_LINE_STOP_X,$B2_LINE_STOP_Y" \
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-wave "$WAVE2_AMPLITUDE"x"$WAVE2_LENGTH" \) \
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\( -clone 0 -stroke white \
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-strokewidth 2 -draw "line 0,$W1_LINE_START_Y 140,$W1_LINE_STOP_Y" \
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-strokewidth 2 -draw "line 0,$W2_LINE_START_Y 140,$W2_LINE_STOP_Y" \
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-strokewidth 2 -draw "line 0,$W3_LINE_START_Y 140,$W3_LINE_STOP_Y" \
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-wave "$WAVE3_AMPLITUDE"x"$WAVE3_LENGTH" \) \
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-flatten -crop 140x60 +repage -quality 90 -depth 8 png:-
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