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127 lines
3.8 KiB
127 lines
3.8 KiB
from flask import Flask, Response, redirect, url_for, request, session, abort, render_template, send_file
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from flask_login import LoginManager, UserMixin, login_required, login_user, logout_user, current_user
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from PIL import Image, ImageFont, ImageDraw
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import qrcode
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from io import BytesIO
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import json, random, re, string
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app = Flask(__name__)
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systemURL = 'http://192.168.0.11:5000/' #FULL URL with a '/' at the end
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systemURL = 'http://10.0.1.115:5000/'
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randomchars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ123456789' #note the lack of zero
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with open('links.json', 'r') as infile:
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links = json.load(infile)
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def saveFile():
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with open('links.json', 'w') as outfile:
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json.dump(links, outfile)
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def randomToken():
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code = ""
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for i in range(0,6):
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code += random.choice(randomchars)
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return code
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def codeValidation(code):
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if len(code) not in range (3,10):
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return False
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if re.match('^[\w-]+$', code) is None:
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return False
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return True
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def codeLink(code):
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global links
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if code not in links:
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return False
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if len(links[code]['url'])==0:
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return None
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return links[code]['url']
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def createNewCode():
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code=randomToken()
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while code in links: #danger!
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code=randomToken()
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links[code]={'url':''}
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return code
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def serveImage(img):
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img_io = BytesIO()
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img.save(img_io, 'PNG')
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img_io.seek(0)
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return send_file(img_io, mimetype='image/png')
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@app.route('/code/<code>')
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def serveCode(code):
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code = code[:code.find('.')]
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if codeValidation(code) is False:
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return send_file('static/invalid.png', mimetype='image/png')
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qr = qrcode.QRCode(
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version=1,
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error_correction=qrcode.constants.ERROR_CORRECT_M,
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box_size=8,
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border=3,
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)
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qr.add_data('systemURL + code')
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qr.make(fit=True)
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img = qr.make_image(fill_color="black", back_color="white")
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return serveImage(img)
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@app.route("/edit", methods=['GET', 'POST'])
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def edit():
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code = request.form.get("code")
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print ("code: {}".format(code))
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if codeLink(code) is False:
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return render_template('invalid.html', code=code)
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if codeLink(code) is not None:
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return render_template('cantedit.html', url=codeLink(code))
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url = request.form.get("url")
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if url is None:
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return render_template('editlink.html', code=code)
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#Saving the link:
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if url.lower().startswith('https://') is False and url.lower().startswith('http://') is False:
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return render_template('message.html', message="Only http:// and https:// links alowed. Plz fix your link!")
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if len(url)>1000:
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return render_template('message.html', message="This link is too long! It probably contains tracking data or other crap. Please find a shorter link.")
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links[code]['url']=url
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saveFile()
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return render_template('success.html')
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@app.route("/admin")
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def admin():
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return render_template('admin.html')
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@app.route("/generate", methods=['GET', 'POST'])
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def generate():
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howmany = request.form.get("howmany")
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if howmany is None:
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return render_template('generate.html')
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codes = []
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for i in range(0, int(howmany)):
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codes.append(createNewCode())
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columns = 4
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codesarray = [codes[i:i+columns] for i in range(0, len(codes), columns)]
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saveFile()
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humanSystemURL = systemURL[systemURL.find('//')+2:]
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return render_template("printlabels.html", codes=codesarray, systemURL=humanSystemURL, codegenURL=systemURL+'code/', format='.png')
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@app.route("/list")
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def list():
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linklist = []
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for key, value in links.items():
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if len(value['url'])>0:
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linklist.append({'code':key, 'url':value['url']})
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return render_template('list.html', linklist=linklist)
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@app.route('/', defaults={'path': ''})
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@app.route('/<path:path>')
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def catch_all(path):
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if len(path)==0:
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return render_template('welcome.html')
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if path in links:
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if codeLink(path) is not None:
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return redirect(links[path]['url'], code=302)
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else:
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return render_template('newcode.html', code=path)
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else:
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return render_template('invalid.html', code=path) |