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https://github.com/sys4-fr/server-nalc.git
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79 lines
3.8 KiB
Bash
79 lines
3.8 KiB
Bash
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#!/bin/bash
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####
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# Licenced under Attribution-NonCommercial-ShareAlike 4.0 International
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# http://creativecommons.org/licenses/by-nc-sa/4.0/
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#### ATTENTION ####
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## This script requires that jq and coreutils are installed on your system ##
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## In Debian-based distros, open a terminal and run
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## sudo apt-get install jq coreutils
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###################
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# == Set variables ===
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# ====================
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NUMPAGES="1" # Number of pages. Default is 1 page
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PERPAGE="2000" # Number of items per page. Default is 2000.
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JSONURL="http://minetest.fensta.bplaced.net/api/get.json.php?getlist&page=$NUMPAGES&outformat=base64&per_page=$PERPAGE" # The URL to the database
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PREVIEWURL="http://minetest.fensta.bplaced.net/skins/1/" # The url to the location of the previews.
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temp=$PWD/tmp # Where the temp folder will be. Default is $PWD/tmp, which means that the tmp folder will be put in the current folder
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METADEST=$PWD/u_skins/meta # This is the folder where the meta data will be saved
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TEXTUREDEST=$PWD/u_skins/textures # This is the folder where the skins and the previews will be saved
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# === Make a bunch of folders and download the db ===
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# ===================================================
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if [ -d "$temp" ]; then
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rm -r $temp # If the temp dir exists we will remove it and its contents.
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fi
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mkdir $temp # Make a new temp dir. Redundant? No. We will get rid of it later.
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if [ ! -d "$METADEST" ]; then # Check to see if the meta dir exists, and if not, create it
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mkdir $METADEST
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fi
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if [ ! -d "$TEXTUREDEST" ]; then # Check to see if the textures dir exists, and if not, create it
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mkdir $TEXTUREDEST
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fi
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wget $JSONURL -O $temp/rawdb.txt # Download the entire database
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# === Do the JSON thing ===
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# =========================
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i="0" # This will be the counter.
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while [ "$ID" != "null" ] # Repeat for as long as there is data to process
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do
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ID=$(cat $temp/rawdb.txt | jq ".skins[$i].id")
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# The next lines are kinda complex. sed is being used to strip the quotes from the variables. I had help...
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meta_name=$(echo $(cat $temp/rawdb.txt | jq ".skins[$i].name") | sed -e 's/^"//' -e 's/"$//')
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meta_author=$(echo $(cat $temp/rawdb.txt | jq ".skins[$i].author") | sed -e 's/^"//' -e 's/"$//')
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meta_license=$(echo $(cat $temp/rawdb.txt | jq ".skins[$i].license") | sed -e 's/^"//' -e 's/"$//')
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if [[ "$ID" != "null" ]]; then # Check to see if ID has a value
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echo "#"$ID "name:" $meta_name "author:" $meta_author "license:" $meta_license # Verbosity to show that the script is working.
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echo $meta_name > $METADEST/character_$ID.txt # Save the meta data to files, this line overwrites the data inside the file
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echo $meta_author >> $METADEST/character_$ID.txt # Save the meta data to files, this line is added to the file
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echo $meta_license >> $METADEST/character_$ID.txt # Save the meta data to files, and this line is added to the file as well.
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# === Extract and save the image from the JSON file ===
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# ======================================================
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skin=$(echo $(cat $temp/rawdb.txt | jq ".skins[$i].img") | sed -e 's/^"//' -e 's/"$//') # Strip the quotes from the base64 encoded string
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echo $skin | base64 --decode > $TEXTUREDEST"/character_"$ID".png" # Decode the string, and save it as a .png file
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# === Download a preview image whilst we're at it ===
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# ====================================================
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wget -nv $PREVIEWURL/$ID".png" -O $TEXTUREDEST"/character_"$ID"_preview.png" # Downloads a preview of the skin that we just saved.
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fi
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i=$[$i+1] # Increase the counter by one.
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done
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# === Now we'll clean up the mess ===
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# ===================================
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rm -r $temp # Remove the temp dir and its contents.
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exit # Not strictly needed, but i like to use it to wrap things up.
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