A bit cleaning
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Adrien Bourmault
parent
69ac7a9537
commit
daaa867dff
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@ -3,17 +3,10 @@
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# Copyright © 2021 Adrien Bourmault (neox@a-lec.org)
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# Copyright © 2021 Echolib (echolib@dismail.de)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# This script is an example captcha script.
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# It takes the text to recognize in the captcha image as a parameter.
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@ -30,9 +23,18 @@
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INPUT=$1
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LENINPUT=${#INPUT}
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DIGIT=(zéros uns deux trois quatres cinqs six septs huits neufs dix)
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DIGITS=(zéros uns deux trois quatres cinqs six septs huits neufs dix)
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DIGIT=(zéro un deux trois quatre cinq six sept huit neuf dix)
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# Loop 10 times (should be enough) to check if a TARGET number is in INPUT
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# ****************************************************************************
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#
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# Tools
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#
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# ****************************************************************************
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# Loops 10 times (should be enough) to check if a TARGET number is in INPUT
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GENERATE__NOTIN() {
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for i in {1..10}
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do
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@ -42,11 +44,15 @@ do
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done
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}
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#=====
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# Modules
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#=====
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# REPLACE a random number in INPUT by another one Randomized
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# ****************************************************************************
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#
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# Captcha shapes
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#
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# ****************************************************************************
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# REPLACEs a random number in INPUT by another one randomized
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REPLACE() {
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NAME="REPLACE"
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PLACE=`seq 1 6 | sort -R | head -n 1`
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@ -55,14 +61,15 @@ TARGET=`echo "$INPUT" | head -c $PLACE | tail -c 1`
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GENERATE__NOTIN
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NAME+="-$FALSENBR-$TARGET"
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NEWINPUT=${INPUT//$TARGET/$FALSENBR}
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INSTRUCTIONS1="Remplacez les ${DIGIT[FALSENBR]} par les ${DIGIT[TARGET]}"
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INSTRUCTIONS1="Remplacez les ${DIGITS[FALSENBR]} par des ${DIGITS[TARGET]}"
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}
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# REVerse INPUT. Ask to Add first or last number in random.
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# REVERSEs INPUT. Ask to Add first or last number in random.
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REVERSE() {
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NAME="REVERSE"
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RFL=`seq 1 2 | sort -R | head -n 1` # Rand First (1) or Last (2)
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ADDNBR=${DIGIT[ADDNBR]}
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ADDNBR=${DIGITS[ADDNBR]}
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for ((i=$LENINPUT-1;i>=0;i--))
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do
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@ -73,18 +80,19 @@ if (( $RFL == 1 ));then
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ADDNBR="${INPUT:0:1}"
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NAME+="_FIRST"
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NEWINPUT=${NEWINPUT:0:$LENINPUT-1} # Do not show first INPUT NBR
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INSTRUCTIONS1="Écrivez le chiffre ${DIGIT[$ADDNBR]} puis"
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INSTRUCTIONS1="Écrivez le chiffre ${DIGITS[$ADDNBR]} puis"
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INSTRUCTIONS2="Recopiez de DROITE à GAUCHE ←"
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else
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ADDNBR="${INPUT:$LENINPUT-1:1}"
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NAME+="_LAST"
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NEWINPUT=${NEWINPUT:1:$LENINPUT-1} # Do not show last INPUT NBR
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INSTRUCTIONS1="Recopiez de DROITE à GAUCHE ←"
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INSTRUCTIONS2="Terminez par le chiffre ${DIGIT[$ADDNBR]}"
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INSTRUCTIONS2="Terminez par le chiffre ${DIGITS[$ADDNBR]}"
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fi
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NAME+="-$ADDNBR"
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}
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# Add FALSE NBR to INPUT at three randomized place
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NOTIN() {
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NAME="NOTIN"
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@ -101,9 +109,10 @@ do
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NEWINPUT="$NEWINPUT${INPUT:$i:1}"
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done
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NAME+="-$FALSENBR"
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INSTRUCTIONS1="Recopiez sans les ${DIGIT[FALSENBR]}"
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INSTRUCTIONS1="Recopiez sans les ${DIGITS[FALSENBR]}"
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}
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# Take a random NBR from INPUT. Calculate X
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CALCUL() {
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PLACE=`seq 1 $((LENINPUT)) | sort -R | head -n 1`
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@ -121,21 +130,24 @@ else
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if (( $FALSENBR <= $TARGET ));then
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RESULT=$(( TARGET + FALSENBR ))
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RESUME=$(( TARGET - FALSENBR ))
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INSTRUCTIONS1="Calculez: ${DIGIT[FALSENBR]} + ${DIGIT[RESUME]}. Copiez..."
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INSTRUCTIONS1="Calculez: ${DIGITS[FALSENBR]} + ${DIGITS[RESUME]}. Copiez..."
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NAME="CALCULP-$FALSENBR-$RESUME"
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else
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RESULT=$(( FALSENBR - TARGET ))
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RESUME=$(( TARGET - RESULT ))
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INSTRUCTIONS1="Calculez: ${DIGIT[RESULT]} + ${DIGIT[RESUME]}. Copiez..."
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INSTRUCTIONS1="Calculez: ${DIGITS[RESULT]} + ${DIGITS[RESUME]}. Copiez..."
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NAME="CALCULP-$RESULT-$RESUME"
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fi
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fi
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INSTRUCTIONS2="...en remplaçant chaque X par la somme"
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}
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#=====
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# Choose a random module
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#=====
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# ****************************************************************************
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#
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# Random captcha shape choice (aka main)
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#
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# ****************************************************************************
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MODULES=(CALCUL NOTIN REPLACE REVERSE)
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NBRMODULES=${#MODULES[@]}
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@ -143,7 +155,7 @@ RMODULE=`seq 0 $((NBRMODULES-1)) | sort -R | head -n 1`
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eval "${MODULES[RMODULE]}"
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TEXT="$NEWINPUT"
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CHAPRILURI="$HOME/Images/Captcha/${NAME}_${NEWINPUT}_${INPUT}.png"
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CHAPRILURI="/var/lib/ejabberd/chapril_captchas/${NAME}_${NEWINPUT}_${INPUT}.png"
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convert -size 300x70 xc:none -pointsize 20 \
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\( -clone 0 -fill black \
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