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A bit cleaning

master
Adrien Bourmault 3 months ago
parent
commit
daaa867dff
Signed by: neox GPG Key ID: 6EB408FE0ACEC664
  1. 62
      captcha/experimental.sh

62
captcha/experimental.sh

@ -3,17 +3,10 @@
# Copyright © 2021 Adrien Bourmault (neox@a-lec.org)
# Copyright © 2021 Echolib (echolib@dismail.de)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# This script is an example captcha script.
# It takes the text to recognize in the captcha image as a parameter.
@ -30,9 +23,18 @@
INPUT=$1
LENINPUT=${#INPUT}
DIGIT=(zéros uns deux trois quatres cinqs six septs huits neufs dix)
DIGITS=(zéros uns deux trois quatres cinqs six septs huits neufs dix)
DIGIT=(zéro un deux trois quatre cinq six sept huit neuf dix)
# ****************************************************************************
#
# Tools
#
# ****************************************************************************
# Loop 10 times (should be enough) to check if a TARGET number is in INPUT
# Loops 10 times (should be enough) to check if a TARGET number is in INPUT
GENERATE__NOTIN() {
for i in {1..10}
do
@ -42,11 +44,15 @@ do
done
}
#=====
# Modules
#=====
# REPLACE a random number in INPUT by another one Randomized
# ****************************************************************************
#
# Captcha shapes
#
# ****************************************************************************
# REPLACEs a random number in INPUT by another one randomized
REPLACE() {
NAME="REPLACE"
PLACE=`seq 1 6 | sort -R | head -n 1`
@ -55,14 +61,15 @@ TARGET=`echo "$INPUT" | head -c $PLACE | tail -c 1`
GENERATE__NOTIN
NAME+="-$FALSENBR-$TARGET"
NEWINPUT=${INPUT//$TARGET/$FALSENBR}
INSTRUCTIONS1="Remplacez les ${DIGIT[FALSENBR]} par les ${DIGIT[TARGET]}"
INSTRUCTIONS1="Remplacez les ${DIGITS[FALSENBR]} par des ${DIGITS[TARGET]}"
}
# REVerse INPUT. Ask to Add first or last number in random.
# REVERSEs INPUT. Ask to Add first or last number in random.
REVERSE() {
NAME="REVERSE"
RFL=`seq 1 2 | sort -R | head -n 1` # Rand First (1) or Last (2)
ADDNBR=${DIGIT[ADDNBR]}
ADDNBR=${DIGITS[ADDNBR]}
for ((i=$LENINPUT-1;i>=0;i--))
do
@ -73,18 +80,19 @@ if (( $RFL == 1 ));then
ADDNBR="${INPUT:0:1}"
NAME+="_FIRST"
NEWINPUT=${NEWINPUT:0:$LENINPUT-1} # Do not show first INPUT NBR
INSTRUCTIONS1="Écrivez le chiffre ${DIGIT[$ADDNBR]} puis"
INSTRUCTIONS1="Écrivez le chiffre ${DIGITS[$ADDNBR]} puis"
INSTRUCTIONS2="Recopiez de DROITE à GAUCHE ←"
else
ADDNBR="${INPUT:$LENINPUT-1:1}"
NAME+="_LAST"
NEWINPUT=${NEWINPUT:1:$LENINPUT-1} # Do not show last INPUT NBR
INSTRUCTIONS1="Recopiez de DROITE à GAUCHE ←"
INSTRUCTIONS2="Terminez par le chiffre ${DIGIT[$ADDNBR]}"
INSTRUCTIONS2="Terminez par le chiffre ${DIGITS[$ADDNBR]}"
fi
NAME+="-$ADDNBR"
}
# Add FALSE NBR to INPUT at three randomized place
NOTIN() {
NAME="NOTIN"
@ -101,9 +109,10 @@ do
NEWINPUT="$NEWINPUT${INPUT:$i:1}"
done
NAME+="-$FALSENBR"
INSTRUCTIONS1="Recopiez sans les ${DIGIT[FALSENBR]}"
INSTRUCTIONS1="Recopiez sans les ${DIGITS[FALSENBR]}"
}
# Take a random NBR from INPUT. Calculate X
CALCUL() {
PLACE=`seq 1 $((LENINPUT)) | sort -R | head -n 1`
@ -121,21 +130,24 @@ else
if (( $FALSENBR <= $TARGET ));then
RESULT=$(( TARGET + FALSENBR ))
RESUME=$(( TARGET - FALSENBR ))
INSTRUCTIONS1="Calculez: ${DIGIT[FALSENBR]} + ${DIGIT[RESUME]}. Copiez..."
INSTRUCTIONS1="Calculez: ${DIGITS[FALSENBR]} + ${DIGITS[RESUME]}. Copiez..."
NAME="CALCULP-$FALSENBR-$RESUME"
else
RESULT=$(( FALSENBR - TARGET ))
RESUME=$(( TARGET - RESULT ))
INSTRUCTIONS1="Calculez: ${DIGIT[RESULT]} + ${DIGIT[RESUME]}. Copiez..."
INSTRUCTIONS1="Calculez: ${DIGITS[RESULT]} + ${DIGITS[RESUME]}. Copiez..."
NAME="CALCULP-$RESULT-$RESUME"
fi
fi
INSTRUCTIONS2="...en remplaçant chaque X par la somme"
}
#=====
# Choose a random module
#=====
# ****************************************************************************
#
# Random captcha shape choice (aka main)
#
# ****************************************************************************
MODULES=(CALCUL NOTIN REPLACE REVERSE)
NBRMODULES=${#MODULES[@]}
@ -143,7 +155,7 @@ RMODULE=`seq 0 $((NBRMODULES-1)) | sort -R | head -n 1`
eval "${MODULES[RMODULE]}"
TEXT="$NEWINPUT"
CHAPRILURI="$HOME/Images/Captcha/${NAME}_${NEWINPUT}_${INPUT}.png"
CHAPRILURI="/var/lib/ejabberd/chapril_captchas/${NAME}_${NEWINPUT}_${INPUT}.png"
convert -size 300x70 xc:none -pointsize 20 \
\( -clone 0 -fill black \

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