Hints (#232)

* Switching to Flask-Migrate to create tables/database. Adding Hints & Unlocks. * Adding db.create_all call for sqlite db's (sqlite is not properly handled with alembic yet) * Python 3 testing works properly with 3.5 * Adding admin side of hints * Hints are viewable for users
2017-03-28 21:17:56 -04:00 · 2017-03-28 21:17:56 -04:00 · f48a0cdacd
parent 9a9b775e57
commit f48a0cdacd
20 changed files with 644 additions and 177 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,7 +1,7 @@
 language: python
 python:
    - 2.7
-    - 3.6
+    - 3.5
 install:
    - pip install -r development.txt
 script:
--- a/CTFd/init.py
+++ b/CTFd/init.py
@ -34,23 +34,26 @@ def create_app(config='CTFd.config.Config'):
        if url.drivername == 'postgres':
            url.drivername = 'postgresql'

+        ## Creates database if the database database does not exist
+        if not database_exists(url):
+            create_database(url)
+
+        ## Register database
        db.init_app(app)

-        try:
-            if not (url.drivername.startswith('sqlite') or database_exists(url)):
-                create_database(url)
-            db.create_all()
-        except OperationalError:
-            db.create_all()
-        except ProgrammingError:  ## Database already exists
-            pass
-        else:
+        ## Register Flask-Migrate
+        migrate.init_app(app, db)
+
+        ## This creates tables instead of db.create_all()
+        ## Allows migrations to happen properly
+        migrate_upgrade()
+
+        ## Alembic sqlite support is lacking so we should just create_all anyway
+        if url.drivername.startswith('sqlite'):
            db.create_all()

        app.db = db

-        migrate.init_app(app, db)
-
        cache.init_app(app)
        app.cache = cache

--- a/CTFd/admin/challenges.py
+++ b/CTFd/admin/challenges.py
@ -1,6 +1,6 @@
 from flask import current_app as app, render_template, request, redirect, jsonify, url_for, Blueprint
 from CTFd.utils import admins_only, is_admin, cache
-from CTFd.models import db, Teams, Solves, Awards, Containers, Challenges, WrongKeys, Keys, Tags, Files, Tracking, Pages, Config, DatabaseError
+from CTFd.models import db, Teams, Solves, Awards, Containers, Challenges, WrongKeys, Keys, Tags, Files, Tracking, Pages, Config, Hints, Unlocks, DatabaseError
 from CTFd.plugins.keys import get_key_class, KEY_CLASSES
 from CTFd.plugins.challenges import get_chal_class, CHALLENGE_CLASSES

@ -87,6 +87,66 @@ def admin_delete_tags(tagid):
        return '1'


+@admin_challenges.route('/admin/hints', defaults={'hintid': None}, methods=['POST', 'GET'])
+@admin_challenges.route('/admin/hints/<int:hintid>', methods=['GET', 'POST', 'DELETE'])
+@admins_only
+def admin_hints(hintid):
+    if hintid:
+        hint = Hints.query.filter_by(id=hintid).first_or_404()
+
+        if request.method == 'POST':
+            hint.hint = request.form.get('hint')
+            hint.chal = int(request.form.get('chal'))
+            hint.cost = int(request.form.get('cost'))
+            db.session.commit()
+
+        elif request.method == 'DELETE':
+            db.session.delete(hint)
+            db.session.commit()
+            db.session.close()
+            return ('', 204)
+
+        json_data = {
+            'hint': hint.hint,
+            'type': hint.type,
+            'chal': hint.chal,
+            'cost': hint.cost,
+            'id': hint.id
+        }
+        db.session.close()
+        return jsonify(json_data)
+    else:
+        if request.method == 'GET':
+            hints = Hints.query.all()
+            json_data = []
+            for hint in hints:
+                json_data.append({
+                    'hint': hint.hint,
+                    'type': hint.type,
+                    'chal': hint.chal,
+                    'cost': hint.cost,
+                    'id': hint.id
+                })
+            return jsonify({'results': json_data})
+        elif request.method == 'POST':
+            hint = request.form.get('hint')
+            chalid = int(request.form.get('chal'))
+            cost = int(request.form.get('cost'))
+            hint_type = request.form.get('type', 0)
+            hint = Hints(chal=chalid, hint=hint, cost=cost)
+            db.session.add(hint)
+            db.session.commit()
+            json_data = {
+                    'hint': hint.hint,
+                    'type': hint.type,
+                    'chal': hint.chal,
+                    'cost': hint.cost,
+                    'id': hint.id
+                }
+            db.session.close()
+            return jsonify(json_data)
+
+
@admin_challenges.route('/admin/files/<int:chalid>', methods=['GET', 'POST'])
@admins_only
 def admin_files(chalid):
@ -125,13 +185,34 @@ def admin_get_values(chalid, prop):
        chal_keys = Keys.query.filter_by(chal=challenge.id).all()
        json_data = {'keys': []}
        for x in chal_keys:
-            json_data['keys'].append({'id': x.id, 'key': x.flag, 'type': x.key_type, 'type_name': get_key_class(x.key_type).name})
+            json_data['keys'].append({
+                'id': x.id,
+                'key': x.flag,
+                'type': x.key_type,
+                'type_name': get_key_class(x.key_type).name
+                })
        return jsonify(json_data)
    elif prop == 'tags':
        tags = Tags.query.filter_by(chal=chalid).all()
        json_data = {'tags': []}
        for x in tags:
-            json_data['tags'].append({'id': x.id, 'chal': x.chal, 'tag': x.tag})
+            json_data['tags'].append({
+                'id': x.id,
+                'chal': x.chal,
+                'tag': x.tag
+                })
+        return jsonify(json_data)
+    elif prop == 'hints':
+        hints = Hints.query.filter_by(chal=chalid)
+        json_data = {'hints': []}
+        for hint in hints:
+            json_data['hints'].append({
+                    'hint': hint.hint,
+                    'type': hint.type,
+                    'chal': hint.chal,
+                    'cost': hint.cost,
+                    'id': hint.id
+                })
        return jsonify(json_data)


--- a/CTFd/challenges.py
+++ b/CTFd/challenges.py
@ -6,7 +6,7 @@ import time
 from flask import render_template, request, redirect, jsonify, url_for, session, Blueprint
 from sqlalchemy.sql import or_

-from CTFd.models import db, Challenges, Files, Solves, WrongKeys, Keys, Tags, Teams, Awards
+from CTFd.models import db, Challenges, Files, Solves, WrongKeys, Keys, Tags, Teams, Awards, Hints, Unlocks
 from CTFd.plugins.keys import get_key_class
 from CTFd.plugins.challenges import get_chal_class

@ -14,6 +14,49 @@ from CTFd import utils

 challenges = Blueprint('challenges', __name__)

+@challenges.route('/hints/<int:hintid>', methods=['GET', 'POST'])
+def hints_view(hintid):
+    hint = Hints.query.filter_by(id=hintid).first_or_404()
+    chal = Challenges.query.filter_by(id=hint.chal).first()
+    unlock = Unlocks.query.filter_by(model='hints', itemid=hintid, teamid=session['id']).first()
+    if request.method == 'GET':
+        if unlock:
+            return jsonify({
+                    'hint': hint.hint,
+                    'chal': hint.chal,
+                    'cost': hint.cost
+                })
+        else:
+            return jsonify({
+                    'chal': hint.chal,
+                    'cost': hint.cost
+                })
+    elif request.method == 'POST':
+        if not unlock:
+            team = Teams.query.filter_by(id=session['id']).first()
+            if team.score() < hint.cost:
+                return jsonify({'errors': 'Not enough points'})
+            unlock = Unlocks(model='hints', teamid=session['id'], itemid=hint.id)
+            award = Awards(teamid=session['id'], name='Hint for {}'.format(chal.name), value=(-hint.cost))
+            db.session.add(unlock)
+            db.session.add(award)
+            db.session.commit()
+            json_data = {
+                    'hint': hint.hint,
+                    'chal': hint.chal,
+                    'cost': hint.cost
+                }
+            db.session.close()
+            return jsonify(json_data)
+        else:
+            json_data = {
+                    'hint': hint.hint,
+                    'chal': hint.chal,
+                    'cost': hint.cost
+                }
+            db.session.close()
+            return jsonify(json_data)
+

@challenges.route('/challenges', methods=['GET'])
 def challenges_view():
@ -57,6 +100,14 @@ def chals():
        for x in chals:
            tags = [tag.tag for tag in Tags.query.add_columns('tag').filter_by(chal=x.id).all()]
            files = [str(f.location) for f in Files.query.filter_by(chal=x.id).all()]
+            unlocked_hints = set([u.itemid for u in Unlocks.query.filter_by(model='hints', teamid=session['id'])])
+            hints = []
+            for hint in Hints.query.filter_by(chal=x.id).all():
+                if hint.id in unlocked_hints:
+                    hints.append({'id':hint.id, 'cost':hint.cost, 'hint':hint.hint})
+                else:
+                    hints.append({'id':hint.id, 'cost':hint.cost})
+            # hints = [{'id':hint.id, 'cost':hint.cost} for hint in Hints.query.filter_by(chal=x.id).all()]
            chal_type = get_chal_class(x.type)
            json['game'].append({
                'id': x.id,
@ -66,7 +117,8 @@ def chals():
                'description': x.description,
                'category': x.category,
                'files': files,
-                'tags': tags
+                'tags': tags,
+                'hints': hints
            })

        db.session.close()
--- a/CTFd/config.py
+++ b/CTFd/config.py
@ -32,7 +32,7 @@ class Config(object):

    http://flask-sqlalchemy.pocoo.org/2.1/config/#configuration-keys
    '''
-    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or 'sqlite:///ctfd.db'
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or 'sqlite:///{}/ctfd.db'.format(os.path.dirname(__file__))


    '''
--- a/CTFd/models.py
+++ b/CTFd/models.py
@ -76,6 +76,23 @@ class Challenges(db.Model):
        return '<chal %r>' % self.name


+class Hints(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    type = db.Column(db.Integer, default=0)
+    chal = db.Column(db.Integer, db.ForeignKey('challenges.id'))
+    hint = db.Column(db.Text)
+    cost = db.Column(db.Integer, default=0)
+
+    def __init__(self, chal, hint, cost=0, type=0):
+        self.chal = chal
+        self.hint = hint
+        self.cost = cost
+        self.type = type
+
+    def __repr__(self):
+        return '<hint %r>' % self.hint
+
+
 class Awards(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    teamid = db.Column(db.Integer, db.ForeignKey('teams.id'))
@ -244,6 +261,22 @@ class WrongKeys(db.Model):
        return '<wrong %r>' % self.flag


+class Unlocks(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    teamid = db.Column(db.Integer, db.ForeignKey('teams.id'))
+    date = db.Column(db.DateTime, default=datetime.datetime.utcnow)
+    itemid = db.Column(db.Integer)
+    model = db.Column(db.String(32))
+
+    def __init__(self, model, teamid, itemid):
+        self.model = model
+        self.teamid = teamid
+        self.itemid = itemid
+
+    def __repr__(self):
+        return '<unlock %r>' % self.teamid
+
+
 class Tracking(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    ip = db.Column(db.BigInteger)
--- a/CTFd/static/admin/js/chalboard.js
+++ b/CTFd/static/admin/js/chalboard.js
@ -38,6 +38,25 @@ function load_edit_key_modal(key_id, key_type_name) {
    });
 }

+function load_hint_modal(method, hintid){
+    $('#hint-modal-hint').val('');
+    $('#hint-modal-cost').val('');
+    if (method == 'create'){
+        $('#hint-modal-submit').attr('action', '/admin/hints');
+        $('#hint-modal-title').text('Create Hint');
+        $("#hint-modal").modal();
+    } else if (method == 'update'){
+        $.get(script_root + '/admin/hints/' + hintid, function(data){
+            $('#hint-modal-submit').attr('action', '/admin/hints/' + hintid);
+            $('#hint-modal-hint').val(data.hint);
+            $('#hint-modal-cost').val(data.cost);
+            $('#hint-modal-title').text('Update Hint');
+            $("#hint-modal-button").text('Update Hint');
+            $("#hint-modal").modal();
+        });
+    }
+}
+
 function loadchal(id, update) {
    // $('#chal *').show()
    // $('#chal > h1').hide()
@ -169,6 +188,44 @@ function deletetag(tagid){
    $.post(script_root + '/admin/tags/'+tagid+'/delete', {'nonce': $('#nonce').val()});
 }

+
+function edithint(hintid){
+    $.get(script_root + '/admin/hints/' + hintid, function(data){
+        console.log(data);
+    })
+}
+
+
+function deletehint(hintid){
+    $.delete(script_root + '/admin/hints/' + hintid, function(data, textStatus, jqXHR){
+        if (jqXHR.status == 204){
+            var chalid = $('.chal-id').val();
+            loadhints(chalid);
+        }
+    });
+}
+
+
+function loadhints(chal){
+    $.get(script_root + '/admin/chal/{0}/hints'.format(chal), function(data){
+        var table = $('#hintsboard > tbody');
+        table.empty();
+        for (var i = 0; i < data.hints.length; i++) {
+            var hint = data.hints[i]
+            var hint_row = "<tr>" +
+            "<td class='hint-entry'>{0}</td>".format(hint.hint) +
+            "<td class='hint-cost'>{0}</td>".format(hint.cost) +
+            "<td class='hint-settings'><span>" +
+                "<i role='button' class='fa fa-pencil-square-o' onclick=javascript:load_hint_modal('update',{0})></i>".format(hint.id)+
+                "<i role='button' class='fa fa-times' onclick=javascript:deletehint({0})></i>".format(hint.id)+
+                "</span></td>" +
+            "</tr>";
+            table.append(hint_row);
+        }
+    });
+}
+
+
 function deletechal(chalid){
    $.post(script_root + '/admin/chal/delete', {'nonce':$('#nonce').val(), 'id':chalid});
 }
@ -255,6 +312,7 @@ function loadchals(){
        $('#challenges button').click(function (e) {
            loadchal(this.value);
            loadkeys(this.value);
+            loadhints(this.value);
            loadtags(this.value);
            loadfiles(this.value);
        });
@ -373,6 +431,25 @@ $('#create-keys-submit').click(function (e) {
    create_key(chalid, key_data, key_type);
 });

+
+$('#create-hint').click(function(e){
+    e.preventDefault();
+    load_hint_modal('create');
+});
+
+$('#hint-modal-submit').submit(function (e) {
+    e.preventDefault();
+    var params = {}
+    $(this).serializeArray().map(function(x){
+        params[x.name] = x.value;
+    });
+    $.post(script_root + $(this).attr('action'), params, function(data){
+        loadhints(params['chal']);
+    });
+    $("#hint-modal").modal('hide');
+});
+
+
 $(function(){
    loadchals();
 })
--- a/CTFd/static/admin/js/utils.js
+++ b/CTFd/static/admin/js/utils.js
@ -61,3 +61,22 @@ Handlebars.registerHelper('if_eq', function(a, b, opts) {
        return opts.inverse(this);
    }
 });
+
+// http://stepansuvorov.com/blog/2014/04/jquery-put-and-delete/
+jQuery.each(["put", "delete"], function(i, method) {
+    jQuery[method] = function(url, data, callback, type) {
+        if (jQuery.isFunction(data)) {
+            type = type || callback;
+            callback = data;
+            data = undefined;
+        }
+
+        return jQuery.ajax({
+            url: url,
+            type: method,
+            dataType: type,
+            data: data,
+            success: callback
+        });
+    };
+});
--- a/CTFd/static/original/js/chalboard.js
+++ b/CTFd/static/original/js/chalboard.js
@ -42,6 +42,7 @@ function updateChalWindow(obj) {
            desc: marked(obj.description, {'gfm':true, 'breaks':true}),
            solves: solves,
            files: obj.files,
+            hints: obj.hints
        };

        $('#chal-window').append(template(wrapper));
@ -226,7 +227,7 @@ function loadchals(refresh) {
            var chalid = chalinfo.name.replace(/ /g,"-").hashCode();
            var catid = chalinfo.category.replace(/ /g,"-").hashCode();
            var chalwrap = $("<div id='{0}' class='challenge-wrapper col-md-2'></div>".format(chalid));
-            var chalbutton = $("<button class='challenge-button trigger theme-background hide-text' value='{0}' data-toggle='modal' data-target='#chal-window'></div>".format(chalinfo.id));
+            var chalbutton = $("<button class='challenge-button trigger theme-background hide-text' value='{0}'></div>".format(chalinfo.id));
            var chalheader = $("<h5>{0}</h5>".format(chalinfo.name));
            var chalscore = $("<span>{0}</span>".format(chalinfo.value));
            chalbutton.append(chalheader);
@ -254,6 +255,19 @@ function loadchals(refresh) {
    });
 }

+function loadhint(hintid){
+    if (confirm("Are you sure you want to open this hint?")){
+        $.post(script_root + "/hints/" + hintid, {'nonce': $('#nonce').val()}, function(data){
+            if (data.errors){
+                alert(data.errors);
+            } else {
+                $('#hint-modal-body').html(marked(data.hint, {'gfm':true, 'breaks':true}));
+                $('#hint-modal').modal();
+            }
+        });
+    }
+}
+
 $('#submit-key').click(function (e) {
    submitkey($('#chal-id').val(), $('#answer-input').val(), $('#nonce').val())
 });
--- a/CTFd/static/original/js/multi-modal.js
+++ b/CTFd/static/original/js/multi-modal.js
@ -0,0 +1,63 @@
+(function($, window) {
+    'use strict';
+
+    var MultiModal = function(element) {
+        this.$element = $(element);
+        this.modalCount = 0;
+    };
+
+    MultiModal.BASE_ZINDEX = 1040;
+
+    MultiModal.prototype.show = function(target) {
+        var that = this;
+        var $target = $(target);
+        var modalIndex = that.modalCount++;
+
+        $target.css('z-index', MultiModal.BASE_ZINDEX + (modalIndex * 20) + 10);
+
+        window.setTimeout(function() {
+            if(modalIndex > 0)
+                $('.modal-backdrop').not(':first').addClass('hidden');
+
+            that.adjustBackdrop();
+        });
+    };
+
+    MultiModal.prototype.hidden = function(target) {
+        this.modalCount--;
+
+        if(this.modalCount) {
+           this.adjustBackdrop();
+            $('body').addClass('modal-open');
+        }
+    };
+
+    MultiModal.prototype.adjustBackdrop = function() {
+        var modalIndex = this.modalCount - 1;
+        $('.modal-backdrop:first').css('z-index', MultiModal.BASE_ZINDEX + (modalIndex * 20));
+    };
+
+    function Plugin(method, target) {
+        return this.each(function() {
+            var $this = $(this);
+            var data = $this.data('multi-modal-plugin');
+
+            if(!data)
+                $this.data('multi-modal-plugin', (data = new MultiModal(this)));
+
+            if(method)
+                data[method](target);
+        });
+    }
+
+    $.fn.multiModal = Plugin;
+    $.fn.multiModal.Constructor = MultiModal;
+
+    $(document).on('show.bs.modal', function(e) {
+        $(document).multiModal('show', e.target);
+    });
+
+    $(document).on('hidden.bs.modal', function(e) {
+        $(document).multiModal('hidden', e.target);
+    });
+}(jQuery, window));
--- a/CTFd/static/original/js/templates/challenges/standard/standard-challenge-modal.hbs
+++ b/CTFd/static/original/js/templates/challenges/standard/standard-challenge-modal.hbs
@ -20,6 +20,29 @@
                        {{/each}}
                        </div>
                        <span class="chal-desc">{{{ desc }}}</span>
+                        <div class="chal-hints file-row row">
+                            {{#each hints}}
+                            <div class='col-md-12 file-button-wrapper'>
+                                <a onclick="javascript:loadhint({{this.id}})">
+                                    {{#if this.hint }}
+                                        <label class='challenge-wrapper file-wrapper hide-text'>
+                                        View Hint
+                                        </label>
+                                    {{else}}
+                                        {{#if this.cost}}
+                                            <label class='challenge-wrapper file-wrapper hide-text'>
+                                            Unlock Hint for {{this.cost}} points
+                                            </label>
+                                        {{else}}
+                                            <label class='challenge-wrapper file-wrapper hide-text'>
+                                            View Hint
+                                            </label>
+                                        {{/if}}
+                                    {{/if}}
+                                </a>
+                            </div>
+                            {{/each}}
+                        </div>
                        <div class="chal-files file-row row">
                            {{#each files}}
                            <div class='col-md-3 file-button-wrapper'>
--- a/CTFd/static/original/js/utils.js
+++ b/CTFd/static/original/js/utils.js
@ -61,3 +61,22 @@ Handlebars.registerHelper('if_eq', function(a, b, opts) {
        return opts.inverse(this);
    }
 });
+
+// http://stepansuvorov.com/blog/2014/04/jquery-put-and-delete/
+jQuery.each(["put", "delete"], function(i, method) {
+    jQuery[method] = function(url, data, callback, type) {
+        if (jQuery.isFunction(data)) {
+            type = type || callback;
+            callback = data;
+            data = undefined;
+        }
+
+        return jQuery.ajax({
+            url: url,
+            type: method,
+            dataType: type,
+            data: data,
+            success: callback
+        });
+    };
+});
--- a/CTFd/templates/admin/chals.html
+++ b/CTFd/templates/admin/chals.html
@ -28,6 +28,7 @@
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                    <h3>New Challenge</h3>
                </div>
                <div class="modal-body">
@ -162,6 +163,7 @@
                        <div class="form-group">
                            <a href="#" data-toggle="modal" data-target="#update-tags" class="btn btn-primary">Tags</a>
                            <a href="#" data-toggle="modal" data-target="#update-files" class="btn btn-primary">Files</a>
+                            <a href="#" data-toggle="modal" data-target="#update-hints" class="btn btn-primary">Hints</a>
                            <a href="#" data-toggle="modal" data-target="#update-keys" class="btn btn-primary">Keys</a>
                            <a href="#" data-toggle="modal" data-target="#delete-chal" class="btn btn-danger">Delete</a>
                        </div>
@ -179,6 +181,7 @@
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header text-center">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                    <h3>Delete Challenge</h3>
                </div>
                <div class="modal-body">
@ -202,6 +205,7 @@
            <div class="modal-content">
                <input type="hidden" class="chal-id" name="chal-id">
                <div class="modal-header text-center">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                    <h3>Create Key</h3>
                </div>
                <div class="modal-body">
@ -275,6 +279,62 @@
        </div>
    </div>

+
+    <div id="hint-modal" class="modal fade" tabindex="-1">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header text-center">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
+                    <h3 id="hint-modal-title"></h3>
+                </div>
+                <div class="modal-body">
+                    <form id="hint-modal-submit" method='POST'>
+                        <input type="hidden" class="chal-id" name="chal">
+                        <div class="form-group">
+                            <textarea id="hint-modal-hint" type="text" class="form-control" name="hint" placeholder="Hint"></textarea>
+                        </div>
+                        <div class="form-group">
+                            <input id="hint-modal-cost" type="number" class="form-control" name="cost" placeholder="Cost">
+                        </div>
+                        <div class="row" style="text-align:center;margin-top:20px">
+                            <input type="hidden" value="{{ nonce }}" name="nonce" id="nonce">
+                            <button class="btn btn-theme btn-outlined" id="hint-modal-button">Add Hint</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <div id="update-hints" class="modal fade" tabindex="-1">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header text-center">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
+                    <h3>Hints</h3>
+                </div>
+                <div class="modal-body">
+                    <div class="row" style="text-align:center">
+                        <a href="#" id="create-hint" class="btn btn-primary" style="margin-bottom:15px;">New Hint</a>
+                    </div>
+                    <div class='current-hints'>
+                        <table id="hintsboard" class="table table-striped">
+                            <thead>
+                                <tr>
+                                    <td class="text-center"><b>Hint</b></td>
+                                    <td class="text-center"><b>Cost</b></td>
+                                    <td class="text-center"><b>Settings</b></td>
+                                </tr>
+                            </thead>
+                            <tbody class="text-center">
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
    <div id="update-tags" class="modal fade" tabindex="-1">
        <div class="modal-dialog">
            <div class="modal-content">
@ -305,33 +365,6 @@
        </div>
    </div>

-    <div id="email-user" class="modal fade" tabindex="-1">
-        <div class="modal-dialog">
-            <div class="modal-content">
-                <div class="modal-header text-center">
-                    <h3>Tags</h3>
-                </div>
-                <div class="modal-body">
-                    <input type="text" class="tag-insert" maxlength="80" placeholder="Type tag and press Enter">
-                    <input name='nonce' type='hidden' value="{{ nonce }}">
-                    <input id="tags-chal" name='chal' type='hidden'>
-
-                    <div id="current-tags">
-
-                    </div>
-                    <br/>
-                    <div id="chal-tags">
-
-                    </div>
-                    <br/>
-
-                    <a href="#" id="submit-tags" class="button">Update</a>
-                    <a class="close-reveal-modal">&#215;</a>
-                </div>
-            </div>
-        </div>
-    </div>
-
    <div style="text-align:center">
        <br>
        <h1 class="text-center">Challenges</h1>
--- a/CTFd/templates/original/chals.html
+++ b/CTFd/templates/original/chals.html
@ -103,6 +103,19 @@

 <input id="nonce" type="hidden" name="nonce" value="{{ nonce }}">

+<div class="modal fade" id="hint-modal" tabindex="-1" role="dialog">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header text-center">
+                <button type="button" class="close" data-dismiss="modal">&times;</button>
+                <h3>Hint</h3>
+            </div>
+            <div class="modal-body" id="hint-modal-body">
+            </div>
+        </div>
+    </div>
+</div>
+
 <div class="modal fade" id="chal-window" tabindex="-1" role="dialog">
 </div>
 {% endif %}
@ -110,6 +123,7 @@

 {% block scripts %}
    <script src="{{ request.script_root }}/static/{{ ctf_theme() }}/js/utils.js"></script>
+    <script src="{{ request.script_root }}/static/{{ ctf_theme() }}/js/multi-modal.js"></script>
    {% if not errors %}<script src="{{ request.script_root }}/static/{{ ctf_theme() }}/js/chalboard.js"></script>{% endif %}
    <script src="{{ request.script_root }}/static/{{ ctf_theme() }}/js/style.js"></script>
 {% endblock %}
--- a/migrations/env.py
+++ b/migrations/env.py
@ -10,7 +10,8 @@ config = context.config

 # Interpret the config file for Python logging.
 # This line sets up loggers basically.
-fileConfig(config.config_file_name)
+## http://stackoverflow.com/questions/42427487/using-alembic-config-main-redirects-log-output
+# fileConfig(config.config_file_name)
 logger = logging.getLogger('alembic.env')

 # add your model's MetaData object here
--- a/migrations/versions/87733981ca0e_adds_challenge_types_and_uses_keys_table.py
+++ b/migrations/versions/87733981ca0e_adds_challenge_types_and_uses_keys_table.py
@ -64,7 +64,11 @@ def upgrade():

    ## Drop flags from challenges
    print("Dropping flags column from challenges")
-    op.drop_column('challenges', 'flags')
+    try:
+        op.drop_column('challenges', 'flags')
+    except sa.exc.OperationalError:
+        print("Failed to drop flags. Likely due to SQLite")
+

    print("Finished")
    # ### end Alembic commands ###
--- a/migrations/versions/c7225db614c1_adding_hints_and_unlocks_tables.py
+++ b/migrations/versions/c7225db614c1_adding_hints_and_unlocks_tables.py
@ -0,0 +1,46 @@
+"""Adding Hints and Unlocks tables
+
+Revision ID: c7225db614c1
+Revises: d6514ec92738
+Create Date: 2017-03-23 01:31:43.940187
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c7225db614c1'
+down_revision = 'd6514ec92738'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('hints',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('type', sa.Integer(), nullable=True),
+    sa.Column('chal', sa.Integer(), nullable=True),
+    sa.Column('hint', sa.Text(), nullable=True),
+    sa.Column('cost', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('unlocks',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('teamid', sa.Integer(), nullable=True),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.Column('itemid', sa.Integer(), nullable=True),
+    sa.Column('model', sa.String(length=32), nullable=True),
+    sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('unlocks')
+    op.drop_table('hints')
+    # ### end Alembic commands ###
--- a/migrations/versions/cb3cfcc47e2f_base.py
+++ b/migrations/versions/cb3cfcc47e2f_base.py
@ -18,142 +18,127 @@ depends_on = None


 def upgrade():
-    app = create_app()
-    engine = sa.create_engine(app.config.get('SQLALCHEMY_DATABASE_URI'))
-    # ### commands auto generated by Alembic - please adjust! ###
-    if not engine.dialect.has_table(engine, 'challenges'):
-        op.create_table('challenges',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('name', sa.String(length=80), nullable=True),
-        sa.Column('description', sa.Text(), nullable=True),
-        sa.Column('value', sa.Integer(), nullable=True),
-        sa.Column('category', sa.String(length=80), nullable=True),
-        sa.Column('flags', sa.Text(), nullable=True),
-        sa.Column('hidden', sa.Boolean(), nullable=True),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('challenges',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=80), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('value', sa.Integer(), nullable=True),
+    sa.Column('category', sa.String(length=80), nullable=True),
+    sa.Column('flags', sa.Text(), nullable=True),
+    sa.Column('hidden', sa.Boolean(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'config'):
-        op.create_table('config',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('key', sa.Text(), nullable=True),
-        sa.Column('value', sa.Text(), nullable=True),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('config',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('key', sa.Text(), nullable=True),
+    sa.Column('value', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'containers'):
-        op.create_table('containers',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('name', sa.String(length=80), nullable=True),
-        sa.Column('buildfile', sa.Text(), nullable=True),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('containers',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=80), nullable=True),
+    sa.Column('buildfile', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'pages'):
-        op.create_table('pages',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('route', sa.String(length=80), nullable=True),
-        sa.Column('html', sa.Text(), nullable=True),
-        sa.PrimaryKeyConstraint('id'),
-        sa.UniqueConstraint('route')
-        )
+    op.create_table('pages',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('route', sa.String(length=80), nullable=True),
+    sa.Column('html', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('route')
+    )

-    if not engine.dialect.has_table(engine, 'teams'):
-        op.create_table('teams',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('name', sa.String(length=128), nullable=True),
-        sa.Column('email', sa.String(length=128), nullable=True),
-        sa.Column('password', sa.String(length=128), nullable=True),
-        sa.Column('website', sa.String(length=128), nullable=True),
-        sa.Column('affiliation', sa.String(length=128), nullable=True),
-        sa.Column('country', sa.String(length=32), nullable=True),
-        sa.Column('bracket', sa.String(length=32), nullable=True),
-        sa.Column('banned', sa.Boolean(), nullable=True),
-        sa.Column('verified', sa.Boolean(), nullable=True),
-        sa.Column('admin', sa.Boolean(), nullable=True),
-        sa.Column('joined', sa.DateTime(), nullable=True),
-        sa.PrimaryKeyConstraint('id'),
-        sa.UniqueConstraint('email'),
-        sa.UniqueConstraint('name')
-        )
+    op.create_table('teams',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=128), nullable=True),
+    sa.Column('email', sa.String(length=128), nullable=True),
+    sa.Column('password', sa.String(length=128), nullable=True),
+    sa.Column('website', sa.String(length=128), nullable=True),
+    sa.Column('affiliation', sa.String(length=128), nullable=True),
+    sa.Column('country', sa.String(length=32), nullable=True),
+    sa.Column('bracket', sa.String(length=32), nullable=True),
+    sa.Column('banned', sa.Boolean(), nullable=True),
+    sa.Column('verified', sa.Boolean(), nullable=True),
+    sa.Column('admin', sa.Boolean(), nullable=True),
+    sa.Column('joined', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('email'),
+    sa.UniqueConstraint('name')
+    )

-    if not engine.dialect.has_table(engine, 'awards'):
-        op.create_table('awards',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('teamid', sa.Integer(), nullable=True),
-        sa.Column('name', sa.String(length=80), nullable=True),
-        sa.Column('description', sa.Text(), nullable=True),
-        sa.Column('date', sa.DateTime(), nullable=True),
-        sa.Column('value', sa.Integer(), nullable=True),
-        sa.Column('category', sa.String(length=80), nullable=True),
-        sa.Column('icon', sa.Text(), nullable=True),
-        sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('awards',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('teamid', sa.Integer(), nullable=True),
+    sa.Column('name', sa.String(length=80), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.Column('value', sa.Integer(), nullable=True),
+    sa.Column('category', sa.String(length=80), nullable=True),
+    sa.Column('icon', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'files'):
-        op.create_table('files',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('chal', sa.Integer(), nullable=True),
-        sa.Column('location', sa.Text(), nullable=True),
-        sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('files',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('chal', sa.Integer(), nullable=True),
+    sa.Column('location', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'keys'):
-        op.create_table('keys',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('chal', sa.Integer(), nullable=True),
-        sa.Column('key_type', sa.Integer(), nullable=True),
-        sa.Column('flag', sa.Text(), nullable=True),
-        sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('keys',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('chal', sa.Integer(), nullable=True),
+    sa.Column('key_type', sa.Integer(), nullable=True),
+    sa.Column('flag', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'solves'):
-        op.create_table('solves',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('chalid', sa.Integer(), nullable=True),
-        sa.Column('teamid', sa.Integer(), nullable=True),
-        sa.Column('ip', sa.Integer(), nullable=True),
-        sa.Column('flag', sa.Text(), nullable=True),
-        sa.Column('date', sa.DateTime(), nullable=True),
-        sa.ForeignKeyConstraint(['chalid'], ['challenges.id'], ),
-        sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
-        sa.PrimaryKeyConstraint('id'),
-        sa.UniqueConstraint('chalid', 'teamid')
-        )
+    op.create_table('solves',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('chalid', sa.Integer(), nullable=True),
+    sa.Column('teamid', sa.Integer(), nullable=True),
+    sa.Column('ip', sa.Integer(), nullable=True),
+    sa.Column('flag', sa.Text(), nullable=True),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['chalid'], ['challenges.id'], ),
+    sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('chalid', 'teamid')
+    )

-    if not engine.dialect.has_table(engine, 'tags'):
-        op.create_table('tags',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('chal', sa.Integer(), nullable=True),
-        sa.Column('tag', sa.String(length=80), nullable=True),
-        sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('tags',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('chal', sa.Integer(), nullable=True),
+    sa.Column('tag', sa.String(length=80), nullable=True),
+    sa.ForeignKeyConstraint(['chal'], ['challenges.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'tracking'):
-        op.create_table('tracking',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('ip', sa.BigInteger(), nullable=True),
-        sa.Column('team', sa.Integer(), nullable=True),
-        sa.Column('date', sa.DateTime(), nullable=True),
-        sa.ForeignKeyConstraint(['team'], ['teams.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('tracking',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('ip', sa.BigInteger(), nullable=True),
+    sa.Column('team', sa.Integer(), nullable=True),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['team'], ['teams.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )

-    if not engine.dialect.has_table(engine, 'wrong_keys'):
-        op.create_table('wrong_keys',
-        sa.Column('id', sa.Integer(), nullable=False),
-        sa.Column('chalid', sa.Integer(), nullable=True),
-        sa.Column('teamid', sa.Integer(), nullable=True),
-        sa.Column('date', sa.DateTime(), nullable=True),
-        sa.Column('flag', sa.Text(), nullable=True),
-        sa.ForeignKeyConstraint(['chalid'], ['challenges.id'], ),
-        sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
-        sa.PrimaryKeyConstraint('id')
-        )
+    op.create_table('wrong_keys',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('chalid', sa.Integer(), nullable=True),
+    sa.Column('teamid', sa.Integer(), nullable=True),
+    sa.Column('date', sa.DateTime(), nullable=True),
+    sa.Column('flag', sa.Text(), nullable=True),
+    sa.ForeignKeyConstraint(['chalid'], ['challenges.id'], ),
+    sa.ForeignKeyConstraint(['teamid'], ['teams.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
    # ### end Alembic commands ###


--- a/serve.py
+++ b/serve.py
@ -1,4 +1,4 @@
 from CTFd import create_app

 app = create_app()
-app.run(debug=True, threaded=True, host="0.0.0.0", port=4000)
+app.run(debug=True, threaded=True, host="127.0.0.1", port=4000)
--- a/tests/test_user_facing.py
+++ b/tests/test_user_facing.py
@ -203,5 +203,5 @@ def test_viewing_challenges():
        client = login_as_user(app)
        gen_challenge(app.db)
        r = client.get('/chals')
-        chals = json.loads(r.data)
+        chals = json.loads(r.get_data(as_text=True))
        assert len(chals['game']) == 1