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New intelligent captcha ;)

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This commit is contained in:
Adrien Bourmault 2021-01-08 20:30:08 +01:00 committed by root
parent 0c60b0b118
commit bcff7e019a
3 changed files with 276 additions and 148 deletions
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212
captcha/captcha.sh
View File

@ -1,4 +1,4 @@
#!/bin/sh #!/bin/bash
# This script is an example captcha script. # This script is an example captcha script.
# It takes the text to recognize in the captcha image as a parameter. # It takes the text to recognize in the captcha image as a parameter.
@ -15,13 +15,15 @@
INPUT=$1 INPUT=$1
TRANSFORMATIONS=(DECOUPE.A DECOUPE.B INTRUS.A INTRUS.B SOMME.A SOMME.B)
if test -n ${BASH_VERSION:-''} ; then if test -n ${BASH_VERSION:-''} ; then
get_random () get_random ()
{ {
R=$RANDOM R=$RANDOM
} }
else else
for n in `od -A n -t u2 -N 48 /dev/urandom`; do RL="$RL$n "; done for n in `od -A n -t u2 -N 64 /dev/urandom`; do RL="$RL$n "; done
get_random () get_random ()
{ {
R=${RL%% *} R=${RL%% *}
@ -29,82 +31,144 @@ else
} }
fi fi
get_random DECOUPE.A()
WAVE1_AMPLITUDE=$((2 + $R % 5)) {
get_random LENGTH=${#INPUT}
WAVE1_LENGTH=$((50 + $R % 25)) MID=$((LENGTH / 2))
get_random
WAVE2_AMPLITUDE=$((2 + $R % 5)) echo Tapez "${INPUT:0:$MID}" suivi de "${INPUT:$MID:$MID}"
get_random }
WAVE2_LENGTH=$((50 + $R % 25))
get_random DECOUPE.B()
WAVE3_AMPLITUDE=$((2 + $R % 5)) {
get_random LENGTH=${#INPUT}
WAVE3_LENGTH=$((50 + $R % 25)) MID=$((LENGTH / 2))
get_random
W1_LINE_START_Y=$((10 + $R % 40)) echo Saisissez "${INPUT:0:$MID}" puis "${INPUT:$MID:$MID}"
get_random }
W1_LINE_STOP_Y=$((10 + $R % 40))
get_random INTRUS.A()
W2_LINE_START_Y=$((10 + $R % 40)) {
get_random LENGTH=${#INPUT}
W2_LINE_STOP_Y=$((10 + $R % 40)) NUMBERS=$(echo $INPUT | grep -o . | tr '\n' ' ')
get_random SORTED_UNIQ_NUM=$(echo "${NUMBERS[@]}" | sort -u | tr '\n' ' ')
W3_LINE_START_Y=$((10 + $R % 40)) INTRUS=-1
get_random
W3_LINE_STOP_Y=$((10 + $R % 40)) for i in 1 2 3 4 5 6 7 8 9
do
if [[ ! " ${SORTED_UNIQ_NUM[@]} " =~ " ${i} " ]]; then
INTRUS=$i
break
fi
done
# Worst case
if [[ $INTRUS -eq "-1" ]]
then
echo Tapez "$INPUT sans changement"
return
fi
for num in ${NUMBERS[@]}
do
get_random
R=$(($R % 100))
if [[ $R -lt 60 ]]; then
NEWINPUT=${NEWINPUT}${num}${INTRUS}
else
NEWINPUT=${NEWINPUT}${num}
fi
done
echo "Tapez $NEWINPUT en supprimant\n les $INTRUS"
}
INTRUS.B()
{
LENGTH=${#INPUT}
NUMBERS=$(echo $INPUT | grep -o . | tr '\n' ' ')
SORTED_UNIQ_NUM=$(echo "${NUMBERS[@]}" | sort -u | tr '\n' ' ')
INTRUS=-1
for i in 1 2 3 4 5 6 7 8 9
do
if [[ ! " ${SORTED_UNIQ_NUM[@]} " =~ " ${i} " ]]; then
INTRUS=$i
break
fi
done
# Worst case
if [[ $INTRUS -eq "-1" ]]
then
echo Tapez "$INPUT sans changement"
return
fi
for num in ${NUMBERS[@]}
do
get_random
R=$(($R % 100))
if [[ $R -lt 60 ]]; then
NEWINPUT=${NEWINPUT}${num}${INTRUS}
else
NEWINPUT=${NEWINPUT}${num}
fi
done
echo "Saisissez $NEWINPUT en enlevant\n les $INTRUS"
}
SOMME.A()
{
if [[ $(($INPUT % 2)) -eq 0 ]]; then
A=$(($INPUT / 2))
B=$A
else
A=$(($INPUT / 2))
B=$(($A+1))
fi
get_random
R=$(($R % 100))
A=$(($A - $R))
B=$(($B + $R))
echo Tapez le résultat de "$A" + "$B"
}
SOMME.B()
{
if [[ $(($INPUT % 2)) -eq 0 ]]; then
A=$(($INPUT / 2))
B=$A
else
A=$(($INPUT / 2))
B=$(($A+1))
fi
get_random
R=$(($R % 100))
A=$(($A - $R))
B=$(($B + $R))
echo Saisissez le résultat de "$A" + "$B"
}
get_random get_random
B1_LINE_START_Y=$(($R % 40)) RAND_ITALIC=$(($R % 25))
get_random get_random
B1_LINE_STOP_Y=$(($R % 40)) RAND_ANGLE=$(($R % 5))
get_random get_random
B2_LINE_START_Y=$(($R % 40)) RAND_INDEX=$(($R % ${#TRANSFORMATIONS[@]}))
get_random
B2_LINE_STOP_Y=$(($R % 40))
#B3_LINE_START_Y=$(($R % 40))
#B3_LINE_STOP_Y=$(($R % 40))
get_random convert -size 300x60 xc:none -pointsize 20 \
B1_LINE_START_X=$(($R % 20)) \( -clone 0 -fill black \
get_random -stroke black -strokewidth 1 \
B1_LINE_STOP_X=$((100 + $R % 40)) -annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $(${TRANSFORMATIONS[$RAND_INDEX]})" \
get_random
B2_LINE_START_X=$(($R % 20))
get_random
B2_LINE_STOP_X=$((100 + $R % 40))
#B3_LINE_START_X=$(($R % 20))
#B3_LINE_STOP_X=$((100 + $R % 40))
get_random
RAND_A=$(($R % 10 + 40))
get_random
RAND_B=$(($R % 14))
get_random
RAND_C=$(($R % 10 + 60))
get_random
RAND_D=$(($R % 20))
convert -size 180x60 xc:none -pointsize 40 \
\( -clone 0 -stroke plasma:fractal \
-strokewidth 1 -draw \
"line $B1_LINE_START_X,$B1_LINE_START_Y $B1_LINE_STOP_X,$B1_LINE_STOP_Y" \
-strokewidth 1 -draw \
"line $B2_LINE_START_X,$B2_LINE_START_Y $B2_LINE_STOP_X,$B2_LINE_STOP_Y" \
-wave "$WAVE2_AMPLITUDE"x"$WAVE2_LENGTH" \) \
\( -clone 0 -stroke plasma:fractal \
-strokewidth 2 -draw "line 0,$W1_LINE_START_Y 140,$W1_LINE_STOP_Y" \
-strokewidth 2 -draw "line 0,$W2_LINE_START_Y 140,$W2_LINE_STOP_Y" \
-strokewidth 2 -draw "line 0,$W3_LINE_START_Y 140,$W3_LINE_STOP_Y" \
-wave "$WAVE3_AMPLITUDE"x"$WAVE3_LENGTH" \) \
\( -clone 0 -fill plasma:fractal \
-stroke plasma:fractal -strokewidth 3 -annotate "2x0+0+$RAND_A" "$INPUT" \
-stroke plasma:fractal -strokewidth 4 -annotate "2x0+0+$RAND_A" "$INPUT" \
-roll +$ROLL_X+0 \ -roll +$ROLL_X+0 \
-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \ -wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
-roll -$ROLL_X+0 \ -roll -$ROLL_X+0 \) \
-distort Perspective "0,0,0,0 0,$RAND_C,0,80 80,0,80,5 80,80,80,55" \ -flatten -crop 300x60 +repage -quality 500 -depth 11 png:-
-rotate "+$RAND_D" \) \
\( -size 140x60 xc: +noise Random -alpha set -channel A -evaluate set 40% \) \
-compose add \
-flatten -crop 140x60 +repage -quality 500 -depth 11 png:-

210
captcha/experimental.sh
View File

@ -1,4 +1,4 @@
#!/bin/sh #!/bin/bash
# This script is an example captcha script. # This script is an example captcha script.
# It takes the text to recognize in the captcha image as a parameter. # It takes the text to recognize in the captcha image as a parameter.
@ -15,6 +15,8 @@
INPUT=$1 INPUT=$1
TRANSFORMATIONS=(DECOUPE.A DECOUPE.B INTRUS.A INTRUS.B SOMME.A SOMME.B)
if test -n ${BASH_VERSION:-''} ; then if test -n ${BASH_VERSION:-''} ; then
get_random () get_random ()
{ {
@ -29,82 +31,144 @@ else
} }
fi fi
get_random DECOUPE.A()
WAVE1_AMPLITUDE=$((2 + $R % 5)) {
get_random LENGTH=${#INPUT}
WAVE1_LENGTH=$((50 + $R % 25)) MID=$((LENGTH / 2))
get_random
WAVE2_AMPLITUDE=$((2 + $R % 5)) echo Tapez "${INPUT:0:$MID}" suivi de "${INPUT:$MID:$MID}"
get_random }
WAVE2_LENGTH=$((50 + $R % 25))
get_random DECOUPE.B()
WAVE3_AMPLITUDE=$((2 + $R % 5)) {
get_random LENGTH=${#INPUT}
WAVE3_LENGTH=$((50 + $R % 25)) MID=$((LENGTH / 2))
get_random
W1_LINE_START_Y=$((10 + $R % 40)) echo Saisissez "${INPUT:0:$MID}" puis "${INPUT:$MID:$MID}"
get_random }
W1_LINE_STOP_Y=$((10 + $R % 40))
get_random INTRUS.A()
W2_LINE_START_Y=$((10 + $R % 40)) {
get_random LENGTH=${#INPUT}
W2_LINE_STOP_Y=$((10 + $R % 40)) NUMBERS=$(echo $INPUT | grep -o . | tr '\n' ' ')
get_random SORTED_UNIQ_NUM=$(echo "${NUMBERS[@]}" | sort -u | tr '\n' ' ')
W3_LINE_START_Y=$((10 + $R % 40)) INTRUS=-1
get_random
W3_LINE_STOP_Y=$((10 + $R % 40)) for i in 1 2 3 4 5 6 7 8 9
do
if [[ ! " ${SORTED_UNIQ_NUM[@]} " =~ " ${i} " ]]; then
INTRUS=$i
break
fi
done
# Worst case
if [[ $INTRUS -eq "-1" ]]
then
echo Tapez "$INPUT sans changement"
return
fi
for num in ${NUMBERS[@]}
do
get_random
R=$(($R % 100))
if [[ $R -lt 60 ]]; then
NEWINPUT=${NEWINPUT}${num}${INTRUS}
else
NEWINPUT=${NEWINPUT}${num}
fi
done
echo "Tapez $NEWINPUT en supprimant\n les $INTRUS"
}
INTRUS.B()
{
LENGTH=${#INPUT}
NUMBERS=$(echo $INPUT | grep -o . | tr '\n' ' ')
SORTED_UNIQ_NUM=$(echo "${NUMBERS[@]}" | sort -u | tr '\n' ' ')
INTRUS=-1
for i in 1 2 3 4 5 6 7 8 9
do
if [[ ! " ${SORTED_UNIQ_NUM[@]} " =~ " ${i} " ]]; then
INTRUS=$i
break
fi
done
# Worst case
if [[ $INTRUS -eq "-1" ]]
then
echo Tapez "$INPUT sans changement"
return
fi
for num in ${NUMBERS[@]}
do
get_random
R=$(($R % 100))
if [[ $R -lt 60 ]]; then
NEWINPUT=${NEWINPUT}${num}${INTRUS}
else
NEWINPUT=${NEWINPUT}${num}
fi
done
echo "Saisissez $NEWINPUT en enlevant\n les $INTRUS"
}
SOMME.A()
{
if [[ $(($INPUT % 2)) -eq 0 ]]; then
A=$(($INPUT / 2))
B=$A
else
A=$(($INPUT / 2))
B=$(($A+1))
fi
get_random
R=$(($R % 100))
A=$(($A - $R))
B=$(($B + $R))
echo Tapez le résultat de "$A" + "$B"
}
SOMME.B()
{
if [[ $(($INPUT % 2)) -eq 0 ]]; then
A=$(($INPUT / 2))
B=$A
else
A=$(($INPUT / 2))
B=$(($A+1))
fi
get_random
R=$(($R % 100))
A=$(($A - $R))
B=$(($B + $R))
echo Saisissez le résultat de "$A" + "$B"
}
get_random get_random
B1_LINE_START_Y=$(($R % 40)) RAND_ITALIC=$(($R % 25))
get_random get_random
B1_LINE_STOP_Y=$(($R % 40)) RAND_ANGLE=$(($R % 5))
get_random get_random
B2_LINE_START_Y=$(($R % 40)) RAND_INDEX=$(($R % ${#TRANSFORMATIONS[@]}))
get_random
B2_LINE_STOP_Y=$(($R % 40))
#B3_LINE_START_Y=$(($R % 40))
#B3_LINE_STOP_Y=$(($R % 40))
get_random convert -size 300x60 xc:none -pointsize 20 \
B1_LINE_START_X=$(($R % 20)) \( -clone 0 -fill black \
get_random -stroke black -strokewidth 1 \
B1_LINE_STOP_X=$((100 + $R % 40)) -annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $(${TRANSFORMATIONS[$RAND_INDEX]})" \
get_random
B2_LINE_START_X=$(($R % 20))
get_random
B2_LINE_STOP_X=$((100 + $R % 40))
#B3_LINE_START_X=$(($R % 20))
#B3_LINE_STOP_X=$((100 + $R % 40))
get_random
RAND_A=$(($R % 10 + 40))
get_random
RAND_B=$(($R % 14))
get_random
RAND_C=$(($R % 10 + 60))
get_random
RAND_D=$(($R % 20))
convert -size 180x60 xc:none -pointsize 40 \
\( -clone 0 -stroke plasma:fractal \
-strokewidth 1 -draw \
"line $B1_LINE_START_X,$B1_LINE_START_Y $B1_LINE_STOP_X,$B1_LINE_STOP_Y" \
-strokewidth 1 -draw \
"line $B2_LINE_START_X,$B2_LINE_START_Y $B2_LINE_STOP_X,$B2_LINE_STOP_Y" \
-wave "$WAVE2_AMPLITUDE"x"$WAVE2_LENGTH" \) \
\( -clone 0 -stroke plasma:fractal \
-strokewidth 2 -draw "line 0,$W1_LINE_START_Y 140,$W1_LINE_STOP_Y" \
-strokewidth 2 -draw "line 0,$W2_LINE_START_Y 140,$W2_LINE_STOP_Y" \
-strokewidth 2 -draw "line 0,$W3_LINE_START_Y 140,$W3_LINE_STOP_Y" \
-wave "$WAVE3_AMPLITUDE"x"$WAVE3_LENGTH" \) \
\( -clone 0 -fill plasma:fractal \
-stroke plasma:fractal -strokewidth 3 -annotate "2x0+0+$RAND_A" "$INPUT" \
-stroke plasma:fractal -strokewidth 4 -annotate "2x0+0+$RAND_A" "$INPUT" \
-roll +$ROLL_X+0 \ -roll +$ROLL_X+0 \
-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \ -wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
-roll -$ROLL_X+0 \ -roll -$ROLL_X+0 \) \
-distort Perspective "0,0,0,0 0,$RAND_C,0,80 80,0,80,5 80,80,80,55" \ -flatten -crop 300x60 +repage -quality 500 -depth 11 png:-
-rotate "+$RAND_D" \) \
\( -size 140x60 xc: +noise Random -alpha set -channel A -evaluate set 40% \) \
-compose add \
-flatten -crop 140x60 +repage -quality 500 -depth 11 png:-

2
chaprilinfos/template-chaprilinfos.properties
View File

@ -12,7 +12,7 @@ service.logo=https://www.chapril.org/.well-known/chaprilinfos/chapril-logo-mini.
service.legal.url=https://www.chapril.org/cgu.html service.legal.url=https://www.chapril.org/cgu.html
service.guide.technical=https://admin.chapril.org/doku.php?id=admin:services:xmpp.chapril.org service.guide.technical=https://admin.chapril.org/doku.php?id=admin:services:xmpp.chapril.org
service.guide.user=https://www.chapril.org/XMPP service.guide.user=https://www.chapril.org/XMPP
service.contact.url=https://www.chapril.org/contact.xhtml service.contact.url=https://www.chapril.org/contact.html
service.contact.email=xmpp-support@chapril.org service.contact.email=xmpp-support@chapril.org
service.startDate=08/03/2020 service.startDate=08/03/2020
service.endDate= service.endDate=