Initial port from PHP to Go

.gitignore

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+ca-certificates.pem
+cloudkeys
+gin-bin
+data
+cloudkeys-go

.gobuilder.yml

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+---
+build_matrix:
+  general:
+      ldflags:
+        - "-X main.version $(git describe --tags)"
+artifacts:
+  templates: templates

Dockerfile

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+FROM scratch
+
+VOLUME /data
+EXPOSE 3000
+ENTRYPOINT ["/cloudkeys"]
+CMD ["--storage=local:////data", "--password-salt=changeme", "--username-salt=changeme"]
+
+ADD ./ca-certificates.pem /etc/ssl/ca-bundle.pem
+ADD ./cloudkeys /cloudkeys
+ADD ./templates /templates

Makefile

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+#VERSION = $(shell git describe --tags)
+VERSION = dev
+BOOTSTRAP_VERISON = 3.3.5
+
+default: build
+
+build: bundle_assets
+	go build .
+
+pre-commit: bundle_assets
+
+container: ca-certificates.pem bundle_assets
+	docker run -v $(CURDIR):/src -e LDFLAGS='-X main.version $(VERSION)' centurylink/golang-builder:latest
+	docker build .
+
+gen_css:
+	lessc --verbose -O2 -x less/*.less assets/style.css
+
+gen_js:
+	coffee --compile -o assets coffee/*.coffee
+
+bundle_assets: gen_css gen_js
+	go-bindata assets templates
+
+ca-certificates.pem:
+		curl -s https://pki.google.com/roots.pem | grep -v "^#" | grep -v "^$$" > $@
+		shasum $@

ajax.go

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+package main
+
+import (
+	"crypto/sha1"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/flosch/pongo2"
+	"github.com/gorilla/sessions"
+)
+
+type ajaxResponse struct {
+	Error   bool   `json:"error"`
+	Version string `json:"version"`
+	Data    string `json:"data"`
+	Type    string `json:"type"`
+}
+
+func (a ajaxResponse) Bytes() []byte {
+	out, _ := json.Marshal(a)
+	return out
+}
+
+func ajaxGetHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	res.Header().Set("Content-Type", "application/json")
+	user, err := checkLogin(r, session)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if user == nil || !storage.IsPresent(user.UserFile) {
+		res.Write(ajaxResponse{Error: true}.Bytes())
+		return nil, nil
+	}
+
+	userFileRaw, err := storage.Read(user.UserFile)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	userFile, err := readDataObject(userFileRaw)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	res.Write(ajaxResponse{Version: userFile.MetaData.Version, Data: userFile.Data}.Bytes())
+	return nil, nil
+}
+
+func ajaxPostHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	res.Header().Set("Content-Type", "application/json")
+	user, err := checkLogin(r, session)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if user == nil {
+		res.Write(ajaxResponse{Error: true, Type: "login"}.Bytes())
+		return nil, nil
+	}
+
+	if !storage.IsPresent(user.UserFile) {
+		res.Write(ajaxResponse{Error: true, Type: "register"}.Bytes())
+		return nil, nil
+	}
+
+	userFileRaw, err := storage.Read(user.UserFile)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	userFile, err := readDataObject(userFileRaw)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	var (
+		version  = r.FormValue("version")
+		checksum = r.FormValue("checksum")
+		data     = r.FormValue("data")
+	)
+
+	if userFile.MetaData.Version != version {
+		res.Write(ajaxResponse{Error: true, Type: "version"}.Bytes())
+		return nil, nil
+	}
+
+	if checksum != fmt.Sprintf("%x", sha1.Sum([]byte(data))) {
+		res.Write(ajaxResponse{Error: true, Type: "checksum"}.Bytes())
+		return nil, nil
+	}
+
+	if err := storage.Backup(user.UserFile); err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	userFile.MetaData.Version = checksum
+	userFile.Data = data
+
+	d, err := userFile.GetData()
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if err := storage.Write(user.UserFile, d); err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	res.Write(ajaxResponse{Version: userFile.MetaData.Version, Data: userFile.Data}.Bytes())
+	return nil, nil
+}

assets/script.js

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+// Generated by CoffeeScript 1.9.3
+(function() {
+  var CloudKeys;
+
+  CloudKeys = (function() {
+    function CloudKeys() {
+      this.entities = [];
+      this.version = "";
+      this.password = '';
+      $('#pw').focus().keyup((function(_this) {
+        return function(evt) {
+          var that = this;
+          if (evt.keyCode === 13) {
+            _this.password = $(that).val();
+            $('#loader').removeClass('hide');
+            _this.fetchData();
+            $('#newEntityLink').click(function() {
+              return _this.showForm();
+            });
+            $('#passwordRequest').addClass('hide');
+            $('#search').keyup(function() {
+              var that = this;
+              _this.limitItems(_this.getItems($(that).val()));
+            });
+            $('#search').focus();
+            return $(window).keyup(function(evt) {
+              if (evt.altKey === true && evt.keyCode === 66) {
+                if (typeof window.copyToClipboard === "function") {
+                  copyToClipboard($('#items li.active .username').val());
+                } else {
+                  $('#items li.active .username').focus().select();
+                }
+              }
+              if (evt.altKey === true && evt.keyCode === 79) {
+                if (typeof window.copyToClipboard === "function") {
+                  copyToClipboard($('#items li.active .password').data('toggle'));
+                } else {
+                  $('#items li.active .passwordtoggle em').click();
+                  $('#items li.active .password').focus().select();
+                }
+              }
+              if (evt.altKey === true && evt.keyCode === 80) {
+                if (typeof window.copyToClipboard === "function") {
+                  copyToClipboard($('#items li.active .password').data('toggle'));
+                } else {
+                  $('#items li.active .password').focus().select();
+                }
+              }
+              if (evt.altKey === true && evt.keyCode === 85) {
+                if (typeof window.copyToClipboard === "function") {
+                  return copyToClipboard($('#items li.active .url').val());
+                } else {
+                  return $('#items li.active .url').focus().select();
+                }
+              }
+            });
+          }
+        };
+      })(this));
+    }
+
+    CloudKeys.prototype["import"] = function(xml) {
+      var e, entity, entry, group, j, l, len, len1, parsedXML, ref, ref1, tag;
+      parsedXML = $.parseXML(xml);
+      ref = $(parsedXML).find('group');
+      for (j = 0, len = ref.length; j < len; j++) {
+        group = ref[j];
+        tag = $(group).find('>title').text();
+        ref1 = $(group).find('entry');
+        for (l = 0, len1 = ref1.length; l < len1; l++) {
+          entry = ref1[l];
+          e = $(entry);
+          entity = {};
+          entity['title'] = e.find('title').text();
+          entity['username'] = e.find('username').text();
+          entity['password'] = e.find('password').text();
+          entity['url'] = e.find('url').text();
+          entity['comment'] = e.find('comment').text();
+          entity['tags'] = tag;
+          this.entities.push(entity);
+        }
+      }
+      return this.updateData((function(_this) {
+        return function() {
+          $('#import').val('');
+          return $('#importLink').click();
+        };
+      })(this));
+    };
+
+    CloudKeys.prototype.updateData = function(callback) {
+      var encrypted, hash;
+      encrypted = this.encrypt(JSON.stringify(this.entities));
+      hash = CryptoJS.SHA1(encrypted).toString();
+      return $.post('ajax', {
+        'version': this.version,
+        'checksum': hash,
+        'data': encrypted
+      }, (function(_this) {
+        return function(result) {
+          if (result.error === true) {
+            return alert("An error occured, please reload and try it again");
+          } else {
+            if (typeof callback !== "undefined") {
+              callback();
+            }
+            return _this.updateInformation(result);
+          }
+        };
+      })(this), "json");
+    };
+
+    CloudKeys.prototype.fetchData = function() {
+      return $.get('ajax', (function(_this) {
+        return function(data) {
+          return _this.updateInformation(data);
+        };
+      })(this), "json");
+    };
+
+    CloudKeys.prototype.updateInformation = function(data) {
+      var e;
+      this.version = data.version;
+      if (data.data === "") {
+        this.entities = [];
+      } else {
+        try {
+          this.entities = $.parseJSON(this.decrypt(data.data));
+        } catch (_error) {
+          e = _error;
+          window.location.reload();
+        }
+      }
+      this.entities.sort(this.sortItems);
+      this.showItems(this.getItems(''));
+      return this.limitItems(this.getItems($('#search').val()));
+    };
+
+    CloudKeys.prototype.encrypt = function(value) {
+      return CryptoJS.AES.encrypt(value, this.password).toString();
+    };
+
+    CloudKeys.prototype.decrypt = function(value) {
+      return CryptoJS.AES.decrypt(value, this.password).toString(CryptoJS.enc.Utf8);
+    };
+
+    CloudKeys.prototype.getClippyCode = function(value) {
+      var code;
+      code = '<span class="clippy"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="14" height="14" class="clippy">';
+      code += '<param name="movie" value="../../assets/clippy.swf"/><param name="allowScriptAccess" value="always" /><param name="quality" value="high" />';
+      code += "<param name=\"scale\" value=\"noscale\" /><param name=\"FlashVars\" value=\"text=" + (encodeURIComponent(value)) + "\"><param name=\"bgcolor\" value=\"#e5e3e9\">";
+      code += "<embed src=\"../../assets/clippy.swf\" width=\"14\" height=\"14\" name=\"clippy\" quality=\"high\" allowScriptAccess=\"always\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" FlashVars=\"text=" + (encodeURIComponent(value)) + "\" bgcolor=\"#e5e3e9\" /></object></span>";
+      return code;
+    };
+
+    CloudKeys.prototype.limitItems = function(items) {
+      var current;
+      $('#resultdescription span').text(items.length);
+      current = 0;
+      $('#items>li').each((function(_this) {
+        return function(k, v) {
+          var item;
+          item = $(v);
+          item.removeClass('odd');
+          if ($.inArray(item.data('num'), items) === -1) {
+            item.addClass('hide');
+          } else {
+            if (item.hasClass('hide')) {
+              item.removeClass('hide');
+            }
+            if (current % 2 === 0) {
+              item.addClass('odd');
+            }
+            current = current + 1;
+          }
+        };
+      })(this));
+    };
+
+    CloudKeys.prototype.showItems = function(items) {
+      var additionalClass, c, char, counter, i, item, itemContainer, j, len, lines_match, password, ref, ul;
+      $('#items li').remove();
+      itemContainer = $('#items');
+      $('#resultdescription span').text(items.length);
+      for (i = j = 0, len = items.length; j < len; i = ++j) {
+        item = items[i];
+        additionalClass = "";
+        if (i % 2 === 0) {
+          additionalClass = "odd";
+        }
+        item = this.entities[item];
+        c = $("<li data-num=\"" + item.num + "\" class=\"" + additionalClass + "\">" + item.title + " <span>" + item.username + "</span></li>");
+        ul = $("<ul></ul>");
+        password = "";
+        ref = item.password;
+        for (char in ref) {
+          i = ref[char];
+          password += "*";
+        }
+        ul.append("<li><label>Username:</label><input type=\"text\" class=\"username\" value=\"" + item.username + "\">" + (this.getClippyCode(item.username)) + "<br></li>");
+        ul.append("<li class=\"passwordtoggle\"><label>Password:</label><input type=\"text\" class=\"password\" value=\"" + password + "\" data-toggle=\"" + item.password + "\"><em> (toggle visibility)</em></span>" + (this.getClippyCode(item.password)) + "<br></li>");
+        ul.append("<li><label>URL:</label><input type=\"text\" class=\"url\" value=\"" + item.url + "\">" + (this.getClippyCode(item.url)) + "<br></li>");
+        lines_match = item.comment.match(/\n/g);
+        if (lines_match !== null) {
+          counter = lines_match.length;
+        }
+        if (counter < 2) {
+          counter = 2;
+        }
+        ul.append("<li><label>Comment:</label><textarea class=\"comment\" rows=\"" + (counter + 2) + "\">" + item.comment + "</textarea>" + (this.getClippyCode(item.comment)) + "<br></li>");
+        ul.append("<li><label>Tags:</label><input type=\"text\" class=\"tags\" value=\"" + item.tags + "\">" + (this.getClippyCode(item.tags)) + "<br></li>");
+        ul.append("<li class=\"last\"><button class=\"btn btn-primary\">Edit</button><br></li>");
+        ul.find('.btn-primary').click((function(_this) {
+          return function() {
+            var t = this;
+            var num;
+            num = $(t).parent().parent().parent().data('num');
+            if (typeof num !== "undefined" && typeof num !== null) {
+              return _this.showForm(num);
+            }
+          };
+        })(this));
+        ul.find('.passwordtoggle em').click((function(_this) {
+          return function() {
+            var t = this;
+            var elem, original;
+            elem = $(t).parent().find('.password');
+            original = elem.data('toggle');
+            elem.data('toggle', elem.val());
+            return elem.val(original);
+          };
+        })(this));
+        c.append(ul);
+        c.click((function(_this) {
+          return function() {
+            var that = this;
+            var elem;
+            elem = $(that);
+            if (elem.hasClass('active') === false) {
+              $('#items li.active').removeClass('active').find('ul').slideUp();
+              elem.addClass('active');
+              return elem.find('ul').slideDown();
+            }
+          };
+        })(this));
+        c.find('input').focus().select();
+        itemContainer.append(c);
+      }
+      $('.hide').removeClass('hide');
+      $('#loader').addClass('hide');
+      $('#passwordRequest').addClass('hide');
+      $('#search').focus();
+    };
+
+    CloudKeys.prototype.getItems = function(search) {
+      var i, item, j, len, ref, result;
+      result = [];
+      search = search.toLowerCase();
+      ref = this.entities;
+      for (i = j = 0, len = ref.length; j < len; i = ++j) {
+        item = ref[i];
+        if (item.title.toLowerCase().indexOf(search) !== -1 || item.username.toLowerCase().indexOf(search) !== -1 || item.tags.toLowerCase().indexOf(search) !== -1) {
+          item.num = i;
+          result.push(i);
+        }
+      }
+      return result;
+    };
+
+    CloudKeys.prototype.sortItems = function(a, b) {
+      var aTitle, bTitle;
+      aTitle = a.title.toLowerCase();
+      bTitle = b.title.toLowerCase();
+      return ((aTitle < bTitle) ? -1 : ((aTitle > bTitle) ? 1 : 0));
+    };
+
+    CloudKeys.prototype.showForm = function(num) {
+      var elem, fields, j, len;
+      $('#editDialog input').val('');
+      $('#editDialog textarea').val('');
+      $('#editDialog .hide').removeClass('hide');
+      fields = ['title', 'username', 'password', 'url', 'comment', 'tags'];
+      if (typeof num !== "undefined" && typeof this.entities[num] !== "undefined") {
+        $('#editDialog input[name="num"]').val(num);
+        for (j = 0, len = fields.length; j < len; j++) {
+          elem = fields[j];
+          $("#editDialog #" + elem).val(this.entities[num][elem]);
+        }
+        $("#editDialog input#repeat_password").val(this.entities[num]['password']);
+      } else {
+        $('#editDialog button.btn-danger').addClass('hide');
+      }
+      $('#editDialog').modal({});
+      $('#editDialog .btn-danger').unbind('click').click((function(_this) {
+        return function() {
+          var confirmation;
+          confirmation = confirm('Are you sure?');
+          if (confirmation === true) {
+            num = $('#editDialog input[name="num"]').val();
+            if (typeof num !== "undefined" && typeof num !== null && num !== "") {
+              _this.entities.splice(num, 1);
+              return _this.updateData(function() {
+                return $('#formClose').click();
+              });
+            }
+          }
+        };
+      })(this));
+      return $('#editDialog .btn-primary').unbind('click').click((function(_this) {
+        return function() {
+          var entity, field, l, len1;
+          if (_this.validateForm()) {
+            num = $('#editDialog input[name="num"]').val();
+            entity = {};
+            for (l = 0, len1 = fields.length; l < len1; l++) {
+              field = fields[l];
+              entity[field] = $("#" + field).val();
+            }
+            if (typeof num !== "undefined" && num !== "") {
+              _this.entities[num] = entity;
+            } else {
+              _this.entities.push(entity);
+            }
+            _this.updateData(function() {
+              return $('#formClose').click();
+            });
+          }
+        };
+      })(this));
+    };
+
+    CloudKeys.prototype.validateForm = function() {
+      var success;
+      $('#editDialog .has-error').removeClass('has-error');
+      success = true;
+      if ($('#title').val() === "") {
+        $('#title').parent().addClass('has-error');
+        success = false;
+      }
+      if ($('#password').val() !== "" && $('#repeat_password').val() !== $('#password').val()) {
+        $('#password, #repeat_password').parent().addClass('has-error');
+        success = false;
+      }
+      return success;
+    };
+
+    return CloudKeys;
+
+  })();
+
+  window.CloudKeys = new CloudKeys();
+
+  $('#importLink').click((function(_this) {
+    return function() {
+      return $('#importContainer').toggle(500);
+    };
+  })(this));
+
+  $('#importContainer button').click((function(_this) {
+    return function() {
+      return window.CloudKeys["import"]($('#import').val());
+    };
+  })(this));
+
+}).call(this);

assets/signin.css

@@ -0,0 +1,54 @@
+body {
+  padding-top: 40px;
+  padding-bottom: 40px;
+  background-color: #eee;
+}
+
+.form-signin {
+  max-width: 330px;
+  padding: 15px;
+  margin: 0 auto;
+}
+.form-signin .form-signin-heading,
+.form-signin .checkbox {
+  margin-bottom: 10px;
+}
+.form-signin .checkbox {
+  font-weight: normal;
+}
+.form-signin .form-control {
+  position: relative;
+  font-size: 16px;
+  height: auto;
+  padding: 10px;
+  -webkit-box-sizing: border-box;
+     -moz-box-sizing: border-box;
+          box-sizing: border-box;
+}
+.form-signin .form-control:focus {
+  z-index: 2;
+}
+.form-signin input[type="text"] {
+  margin-bottom: -1px;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.container.login .form-signin input[type="password"] {
+  margin-bottom: 10px;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.container.register .form-signin input[name="password"] {
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+  margin-bottom: -1px;
+}
+.container.register .form-signin input[name="password_repeat"] {
+  margin-bottom: 10px;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}

assets/style.css

@@ -0,0 +1 @@
+body{padding-top:70px}input{outline:0}.navbar a{cursor:pointer}.navbar a.active_account{font-weight:bold}#importContainer{display:none}#importContainer #importer{border:1px solid #111;border-radius:5px;background-image:linear-gradient(to bottom, #666 0, #171717 100%);margin:20px 0;padding:20px 20px}#importContainer #importer textarea{border:0;border-radius:5px;display:block;font-size:11px;height:350px;margin:0 auto;padding:0;width:100%}#loader img{display:block;margin:0 auto}#searchbox{border:1px solid #111;border-radius:5px;background-image:linear-gradient(to bottom, #666 0, #171717 100%);margin:20px 0;padding:10px}#searchbox input{border:0;border-radius:5px;display:block;font-size:20px;height:40px;margin:0 auto;padding:0 20px;width:100%}#content #resultdescription{margin:15px 0}#content #resultdescription span{font-weight:bold}#content ul#items{list-style:none;padding:0}#content ul#items li.active{background-color:#e5e3e9}#content ul#items li{cursor:pointer;padding:5px 20px}#content ul#items li span{font-size:70%;font-style:italic;padding:0 0 0 20px}#content ul#items li ul{display:none;list-style:none;padding-left:5px}#content ul#items li ul li.last{display:none}@media (min-width:768px){#content ul#items li ul li.last{border-bottom:0;display:block}}#content ul#items li ul li{border-bottom:1px dotted #808080}#content ul#items li ul li br{clear:both}#content ul#items li ul li label{display:block;float:left;width:100px}#content ul#items li ul li input,#content ul#items li ul li textarea{background:transparent;border:0;float:left;font-size:11px;min-height:20px;outline:0;padding-left:0;width:300px}#content ul#items li ul li input.password{width:200px}#content ul#items li ul li em{float:left;font-size:70%;width:100px}#content ul#items li ul li span.clippy{display:none}@media (min-width:992px){#content ul#items li ul li span.clippy{display:block;float:left;padding-left:0;width:20px}}#content ul#items li li.odd{background-color:transparent}#content ul#items li:hover{background-color:#e5e3e9}#content ul#items li.odd{background-color:#f6f6f6}

coffee/script.coffee

@@ -0,0 +1,261 @@
+class CloudKeys
+  constructor: () ->
+    @entities = []
+    @version = ""
+    @password = '' #todo replace with user password
+    $('#pw').focus().keyup (evt) =>
+      `var that = this`
+      if evt.keyCode is 13
+        @password = $(that).val()
+        $('#loader').removeClass('hide')
+        @fetchData()
+        $('#newEntityLink').click =>
+          @showForm()
+
+        $('#passwordRequest').addClass('hide')
+
+        $('#search').keyup =>
+          `var that = this`
+          @limitItems(@getItems($(that).val()))
+          return
+        $('#search').focus()
+        $(window).keyup (evt) =>
+          if evt.altKey is true and evt.keyCode is 66
+            if typeof window.copyToClipboard is "function"
+              copyToClipboard($('#items li.active .username').val())
+            else
+              $('#items li.active .username').focus().select()
+          if evt.altKey is true and evt.keyCode is 79 # workaround to copy password very fast
+            if typeof window.copyToClipboard is "function"
+              copyToClipboard($('#items li.active .password').data('toggle'))
+            else
+              $('#items li.active .passwordtoggle em').click()
+              $('#items li.active .password').focus().select()
+          if evt.altKey is true and evt.keyCode is 80
+            if typeof window.copyToClipboard is "function"
+              copyToClipboard($('#items li.active .password').data('toggle'))
+            else
+              $('#items li.active .password').focus().select()
+          if evt.altKey is true and evt.keyCode is 85
+            if typeof window.copyToClipboard is "function"
+              copyToClipboard($('#items li.active .url').val())
+            else
+              $('#items li.active .url').focus().select()
+
+  import: (xml) ->
+    parsedXML = $.parseXML(xml)
+
+    for group in $(parsedXML).find('group')
+      tag = $(group).find('>title').text()
+      for entry in $(group).find('entry')
+        e = $(entry)
+        entity = {}
+        entity['title'] = e.find('title').text()
+        entity['username'] = e.find('username').text()
+        entity['password'] = e.find('password').text()
+        entity['url'] = e.find('url').text()
+        entity['comment'] = e.find('comment').text()
+        entity['tags'] = tag
+        @entities.push(entity)
+    @updateData =>
+      $('#import').val('')
+      $('#importLink').click()
+
+  updateData: (callback) ->
+    encrypted = @encrypt(JSON.stringify(@entities))
+    hash = CryptoJS.SHA1(encrypted).toString()
+
+    $.post 'ajax', {'version': @version, 'checksum': hash, 'data': encrypted}, (result) =>
+      if result.error is true
+        alert "An error occured, please reload and try it again"
+      else
+        if typeof callback isnt "undefined"
+          callback()
+        @updateInformation(result)
+    , "json"
+
+  fetchData: () ->
+    $.get 'ajax', (data) =>
+      @updateInformation(data)
+    , "json"
+
+  updateInformation: (data) ->
+    @version = data.version
+
+    if data.data == ""
+      @entities = []
+    else
+      try
+        @entities = $.parseJSON(@decrypt(data.data))
+      catch e
+        window.location.reload()
+
+    @entities.sort(@sortItems)
+
+    @showItems(@getItems(''))
+    @limitItems(@getItems($('#search').val()))
+
+  encrypt: (value) ->
+    return CryptoJS.AES.encrypt(value, @password).toString()
+
+  decrypt: (value) ->
+    return CryptoJS.AES.decrypt(value, @password).toString(CryptoJS.enc.Utf8)
+
+  getClippyCode: (value) ->
+    code = '<span class="clippy"><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="14" height="14" class="clippy">'
+    code += '<param name="movie" value="../../assets/clippy.swf"/><param name="allowScriptAccess" value="always" /><param name="quality" value="high" />'
+    code += "<param name=\"scale\" value=\"noscale\" /><param name=\"FlashVars\" value=\"text=#{encodeURIComponent(value)}\"><param name=\"bgcolor\" value=\"#e5e3e9\">"
+    code += "<embed src=\"../../assets/clippy.swf\" width=\"14\" height=\"14\" name=\"clippy\" quality=\"high\" allowScriptAccess=\"always\" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" FlashVars=\"text=#{encodeURIComponent(value)}\" bgcolor=\"#e5e3e9\" /></object></span>"
+    return code
+
+  limitItems: (items) ->
+    $('#resultdescription span').text(items.length)
+    current = 0
+    $('#items>li').each (k, v) =>
+      item = $(v)
+      item.removeClass('odd')
+      if $.inArray(item.data('num'), items) is -1
+        item.addClass('hide')
+      else
+        if item.hasClass('hide')
+          item.removeClass('hide')
+
+        if current % 2 is 0
+          item.addClass('odd')
+        current = current + 1
+      return
+    return
+
+  showItems: (items) ->
+    $('#items li').remove()
+    itemContainer = $('#items')
+    $('#resultdescription span').text(items.length)
+    for item, i in items
+      additionalClass = ""
+      if i % 2 is 0
+        additionalClass = "odd"
+      item = @entities[item]
+      c = $("<li data-num=\"#{ item.num }\" class=\"#{ additionalClass }\">#{ item.title } <span>#{ item.username }</span></li>")
+      ul = $("<ul></ul>")
+      password = ""
+      for char, i of item.password
+        password += "*"
+      ul.append("<li><label>Username:</label><input type=\"text\" class=\"username\" value=\"#{ item.username }\">#{ @getClippyCode(item.username) }<br></li>")
+      ul.append("<li class=\"passwordtoggle\"><label>Password:</label><input type=\"text\" class=\"password\" value=\"#{ password }\" data-toggle=\"#{ item.password }\"><em> (toggle visibility)</em></span>#{ @getClippyCode(item.password) }<br></li>")
+      ul.append("<li><label>URL:</label><input type=\"text\" class=\"url\" value=\"#{ item.url }\">#{ @getClippyCode(item.url) }<br></li>")
+      lines_match = item.comment.match(/\n/g)
+      if lines_match isnt null
+        counter = lines_match.length
+      if counter < 2
+        counter = 2
+      ul.append("<li><label>Comment:</label><textarea class=\"comment\" rows=\"#{ counter + 2 }\">#{ item.comment }</textarea>#{ @getClippyCode(item.comment) }<br></li>")
+      ul.append("<li><label>Tags:</label><input type=\"text\" class=\"tags\" value=\"#{ item.tags }\">#{ @getClippyCode(item.tags) }<br></li>")
+      ul.append("<li class=\"last\"><button class=\"btn btn-primary\">Edit</button><br></li>")
+      ul.find('.btn-primary').click () =>
+        `var t = this`
+        num = $(t).parent().parent().parent().data('num')
+        if typeof num isnt "undefined" and typeof num isnt null
+          @showForm(num)
+
+      ul.find('.passwordtoggle em').click () =>
+        `var t = this`
+        elem = $(t).parent().find('.password')
+        original = elem.data('toggle')
+        elem.data('toggle', elem.val())
+        elem.val(original)
+      c.append(ul)
+
+      c.click =>
+        `var that = this`
+        elem = $(that)
+        if elem.hasClass('active') is false
+          $('#items li.active').removeClass('active').find('ul').slideUp()
+          elem.addClass('active')
+          elem.find('ul').slideDown()
+
+      c.find('input').focus().select()
+
+      itemContainer.append(c)
+
+    $('.hide').removeClass('hide')
+    $('#loader').addClass('hide')
+    $('#passwordRequest').addClass('hide')
+    $('#search').focus()
+
+    return
+
+  getItems: (search) ->
+    result = []
+    search = search.toLowerCase()
+    for item, i in @entities
+      if item.title.toLowerCase().indexOf(search) != -1 or item.username.toLowerCase().indexOf(search) != -1 or item.tags.toLowerCase().indexOf(search) != -1
+        item.num = i
+        result.push(i)
+
+    return result
+
+  sortItems: (a, b) ->
+    aTitle = a.title.toLowerCase()
+    bTitle = b.title.toLowerCase()
+    `((aTitle < bTitle) ? -1 : ((aTitle > bTitle) ? 1 : 0))`
+
+  showForm: (num) ->
+    $('#editDialog input').val('')
+    $('#editDialog textarea').val('')
+    $('#editDialog .hide').removeClass('hide')
+    fields = ['title', 'username', 'password', 'url', 'comment', 'tags']
+
+    if typeof num isnt "undefined" and typeof @entities[num] isnt "undefined"
+      $('#editDialog input[name="num"]').val(num)
+      for elem in fields
+        $("#editDialog ##{elem}").val(@entities[num][elem])
+      $("#editDialog input#repeat_password").val(@entities[num]['password'])
+    else
+      $('#editDialog button.btn-danger').addClass('hide')
+
+    $('#editDialog').modal({})
+    $('#editDialog .btn-danger').unbind('click').click =>
+      confirmation = confirm('Are you sure?')
+      if confirmation is true
+        num = $('#editDialog input[name="num"]').val()
+        if typeof num isnt "undefined" and typeof num isnt null and num != ""
+          @entities.splice(num, 1)
+
+          @updateData =>
+            $('#formClose').click()
+
+    $('#editDialog .btn-primary').unbind('click').click =>
+      if @validateForm()
+        num = $('#editDialog input[name="num"]').val()
+        entity = {}
+        for field in fields
+          entity[field] = $("##{field}").val()
+        if typeof num != "undefined" and num != ""
+          @entities[num] = entity
+        else
+          @entities.push(entity)
+
+        @updateData =>
+          $('#formClose').click()
+      return
+
+  validateForm: () ->
+    $('#editDialog .has-error').removeClass('has-error')
+    success = true
+    if $('#title').val() == ""
+      $('#title').parent().addClass('has-error')
+      success = false
+
+    if $('#password').val() isnt "" && $('#repeat_password').val() isnt $('#password').val()
+      $('#password, #repeat_password').parent().addClass('has-error')
+      success = false
+
+    return success
+
+window.CloudKeys = new CloudKeys()
+$('#importLink').click =>
+  $('#importContainer').toggle(500)
+
+$('#importContainer button').click =>
+  window.CloudKeys.import($('#import').val())
+  #$('#import').val('')

config.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"net/url"
+
+	"github.com/Luzifer/rconfig"
+)
+
+type config struct {
+	// General Config
+	PasswordSalt string `env:"passwordSalt" flag:"password-salt" description:"A random unique salt for encrypting the passwords"`
+	UsernameSalt string `env:"usernameSalt" flag:"username-salt" description:"A random unique salt for encrypting the usernames"`
+	Storage      string `env:"storage" flag:"storage" default:"local:///./data" description:"Configuration for storage adapter (see README.md)"`
+	Listen       string `flag:"listen" default:":3000" description:"IP and port to listen on"`
+
+	CookieSigningKey string `flag:"cookie-authkey" description:"Key used to authenticate the session"`
+	CookieEncryptKey string `flag:"cookie-encryptkey" description:"Key used to encrypt the session"`
+}
+
+func (c config) ParsedStorage() (*url.URL, error) {
+	return url.Parse(c.Storage)
+}
+
+func loadConfig() *config {
+	cfg := &config{}
+	rconfig.Parse(cfg)
+	return cfg
+}

dataObject.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"bytes"
+	"encoding/gob"
+	"encoding/json"
+	"io"
+)
+
+type authorizedAccounts []authorizedAccount
+type authorizedAccount struct {
+	Name     string
+	UserFile string
+}
+
+func init() {
+	gob.Register(authorizedAccounts{})
+}
+
+type dataObject struct {
+	MetaData struct {
+		Version  string `json:"version"`
+		Password string `json:"password"`
+	} `json:"metadata"`
+	Data string `json:"data"`
+}
+
+func readDataObject(in io.Reader) (*dataObject, error) {
+	t := &dataObject{}
+	return t, json.NewDecoder(in).Decode(t)
+}
+
+func (d *dataObject) GetData() (io.Reader, error) {
+	buf := bytes.NewBuffer([]byte{})
+	return buf, json.NewEncoder(buf).Encode(d)
+}

httpHelper.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/flosch/pongo2"
+	"github.com/gorilla/sessions"
+)
+
+type httpHelperFunc func(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error)
+
+func httpHelper(f httpHelperFunc) http.HandlerFunc {
+	return func(res http.ResponseWriter, r *http.Request) {
+		sess, _ := cookieStore.Get(r, "cloudkeys-go")
+		ctx := pongo2.Context{}
+
+		if errFlash := sess.Flashes("error"); len(errFlash) > 0 {
+			ctx["error"] = errFlash[0].(string)
+		}
+
+		template, err := f(res, r, sess, &ctx)
+		if err != nil {
+			http.Error(res, err.Error(), http.StatusInternalServerError)
+			fmt.Printf("ERR: %s\n", err)
+			return
+		}
+
+		if template != nil {
+			// Postponed until https://github.com/flosch/pongo2/issues/68
+			//
+			// tplsrc, err := Asset("templates/" + *template)
+			// if err != nil {
+			// 	fmt.Printf("ERR: Could not find template '%s'\n", *template)
+			// 	http.Error(res, "An error ocurred.", http.StatusInternalServerError)
+			// 	return
+			// }
+			ts := pongo2.NewSet("frontend")
+			ts.SetBaseDirectory("templates")
+			tpl, err := ts.FromFile(*template)
+			if err != nil {
+				fmt.Printf("ERR: Could not parse template '%s': %s\n", *template, err)
+				http.Error(res, "An error ocurred.", http.StatusInternalServerError)
+				return
+			}
+			out, err := tpl.Execute(ctx)
+			if err != nil {
+				fmt.Printf("ERR: Unable to execute template '%s': %s\n", *template, err)
+				http.Error(res, "An error ocurred.", http.StatusInternalServerError)
+				return
+			}
+
+			res.Write([]byte(out))
+		}
+	}
+}
+
+func simpleTemplateOutput(template string) httpHelperFunc {
+	return func(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+		return &template, nil
+	}
+}
+
+func String(s string) *string {
+	return &s
+}

less/style.less

@@ -0,0 +1,159 @@
+body {
+  padding-top: 70px;
+}
+input {
+  outline: 0;  
+}
+
+.navbar a {
+  cursor: pointer;
+
+  &.active_account {
+    font-weight: bold;
+  }
+}
+#importContainer {
+  display: none;
+
+  #importer {
+    border: 1px solid #111111;
+    border-radius: 5px;
+    background-image: linear-gradient(to bottom, #666666 0%, #171717 100%);
+    margin: 20px 0;
+    padding: 20px 20px;
+
+    textarea {
+      border: 0;
+      border-radius: 5px;
+      display: block;
+      font-size: 11px;
+      height: 350px;
+      margin: 0px auto;
+      padding: 0;
+      width: 100%;
+    }
+  }
+}
+
+#loader {
+  img {
+    display: block;
+    margin: 0px auto;
+  }
+}
+
+#searchbox {
+  border: 1px solid #111111;
+  border-radius: 5px;
+  background-image: linear-gradient(to bottom, #666666 0%, #171717 100%);
+  margin: 20px 0;
+  padding: 10px;
+
+  input {
+    border: 0;
+    border-radius: 5px;
+    display: block;
+    font-size: 20px;
+    height: 40px;
+    margin: 0px auto;
+    padding: 0 20px;
+    width: 100%;
+  }
+}
+
+#content {
+  #resultdescription {
+    margin: 15px 0;
+
+    span {
+      font-weight: bold;  
+    }
+  }
+  
+  ul#items {
+    list-style: none;
+    padding: 0px;
+    li.active {
+      background-color: #e5e3e9;
+    }
+   
+    li {
+      cursor: pointer;
+      padding: 5px 20px;
+
+      span {
+        font-size: 70%;
+        font-style: italic;
+        padding: 0 0 0 20px;
+      }
+
+      ul {
+        display: none;
+        list-style: none;
+        padding-left: 5px;
+       
+        li.last {
+          display: none;
+          @media (min-width:768px) {
+            border-bottom: 0;  
+            display: block;
+          }
+        }
+        li {
+          border-bottom: 1px dotted gray;
+          
+          br { clear: both; }
+          
+          label {
+            display: block;
+            float: left;
+            width: 100px;
+          }
+
+          input, textarea {
+            background: transparent;
+            border: 0;
+            float: left;
+            font-size: 11px;
+            min-height: 20px;
+            outline: 0;
+            padding-left: 0;
+            width: 300px;
+          }
+          
+          input.password {
+            width: 200px;
+          }
+
+          em {
+            float: left;
+            font-size: 70%;
+            width: 100px;
+          }
+
+          span.clippy {
+            display: none;
+          }
+
+          @media (min-width:992px) {
+            span.clippy {
+              display: block;
+              float: left;
+              padding-left: 0;
+              width: 20px;
+            }
+          }
+        }
+      }
+      li.odd {
+        background-color: transparent;
+      }
+    }
+    li:hover {
+      background-color: #e5e3e9;
+    }
+    li.odd {
+      background-color: #f6f6f6;
+    }
+  }
+}

login.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"crypto/sha1"
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"github.com/flosch/pongo2"
+	"github.com/gorilla/mux"
+	"github.com/gorilla/sessions"
+)
+
+func loginHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	var (
+		username = r.FormValue("username")
+		password = fmt.Sprintf("%x", sha1.Sum([]byte(cfg.PasswordSalt+r.FormValue("password"))))
+	)
+
+	if !storage.IsPresent(createUserFilename(username)) {
+		(*ctx)["error"] = true
+		return String("login.html"), nil
+	}
+
+	userFileRaw, err := storage.Read(createUserFilename(username))
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	userFile, err := readDataObject(userFileRaw)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if userFile.MetaData.Password != password {
+		(*ctx)["error"] = true
+		return String("login.html"), nil
+	}
+
+	auth, ok := session.Values["authorizedAccounts"].(authorizedAccounts)
+	if !ok {
+		auth = authorizedAccounts{}
+	}
+
+	for i, v := range auth {
+		if v.Name == username {
+			http.Redirect(res, r, fmt.Sprintf("u/%d/overview", i), http.StatusFound)
+			return nil, nil
+		}
+	}
+
+	auth = append(auth, authorizedAccount{
+		Name:     username,
+		UserFile: createUserFilename(username),
+	})
+
+	session.Values["authorizedAccounts"] = auth
+	if err := session.Save(r, res); err != nil {
+		return nil, err
+	}
+
+	http.Redirect(res, r, fmt.Sprintf("u/%d/overview", len(auth)-1), http.StatusFound)
+	return nil, nil
+}
+
+func logoutHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	session.Values["authorizedAccounts"] = authorizedAccounts{}
+	session.Save(r, res)
+	http.Redirect(res, r, "overview", http.StatusFound)
+	return nil, nil
+}
+
+func checkLogin(r *http.Request, session *sessions.Session) (*authorizedAccount, error) {
+	vars := mux.Vars(r)
+	idx, err := strconv.ParseInt(vars["userIndex"], 10, 64)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	auth, ok := session.Values["authorizedAccounts"].(authorizedAccounts)
+	if !ok {
+		auth = authorizedAccounts{}
+	}
+
+	if len(auth)-1 < int(idx) {
+		return nil, nil
+	}
+
+	return &auth[idx], nil
+}

main.go

@@ -0,0 +1,102 @@
+package main // import "github.com/Luzifer/cloudkeys-go"
+
+import (
+	"crypto/sha1"
+	"fmt"
+	"mime"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/gorilla/mux"
+	"github.com/gorilla/sessions"
+	"github.com/satori/go.uuid"
+)
+
+var (
+	storage     storageAdapter
+	cookieStore *sessions.CookieStore
+
+	cfg     = loadConfig()
+	version = "dev"
+)
+
+func init() {
+	if _, err := cfg.ParsedStorage(); err != nil {
+		fmt.Printf("ERR: Please provide a valid storage URI\n")
+		os.Exit(1)
+	}
+
+	if cfg.CookieSigningKey == "" {
+		cfg.CookieSigningKey = uuid.NewV4().String()[:32]
+		fmt.Printf("WRN: cookie-authkey was set randomly, this will break your sessions!\n")
+	}
+
+	if cfg.CookieEncryptKey == "" {
+		cfg.CookieEncryptKey = uuid.NewV4().String()[:32]
+		fmt.Printf("WRN: cookie-encryptkey was set randomly, this will break your sessions!\n")
+	}
+
+	cookieStore = sessions.NewCookieStore(
+		[]byte(cfg.CookieSigningKey),
+		[]byte(cfg.CookieEncryptKey),
+	)
+}
+
+func main() {
+	s, err := getStorageAdapter(cfg)
+	if err != nil {
+		fmt.Printf("ERR: Could not instanciate storage: %s\n", err)
+		os.Exit(1)
+	}
+	storage = s
+
+	r := mux.NewRouter()
+	r.PathPrefix("/assets/").HandlerFunc(serveAssets)
+
+	r.HandleFunc("/register", httpHelper(simpleTemplateOutput("register.html"))).
+		Methods("GET")
+	r.HandleFunc("/register", httpHelper(registerHandler)).
+		Methods("POST")
+
+	r.HandleFunc("/login", httpHelper(simpleTemplateOutput("login.html"))).
+		Methods("GET")
+	r.HandleFunc("/login", httpHelper(loginHandler)).
+		Methods("POST")
+
+	r.HandleFunc("/logout", httpHelper(logoutHandler)).
+		Methods("GET")
+
+	r.HandleFunc("/u/{userIndex:[0-9]+}/overview", httpHelper(overviewHandler)).
+		Methods("GET")
+
+	r.HandleFunc("/u/{userIndex:[0-9]+}/ajax", httpHelper(ajaxGetHandler)).
+		Methods("GET")
+	r.HandleFunc("/u/{userIndex:[0-9]+}/ajax", httpHelper(ajaxPostHandler)).
+		Methods("POST")
+
+	/* --- SUPPORT FOR DEPRECATED METHODS --- */
+	r.HandleFunc("/", func(res http.ResponseWriter, r *http.Request) {
+		http.Redirect(res, r, "u/0/overview", http.StatusFound)
+	}).Methods("GET")
+	r.HandleFunc("/overview", func(res http.ResponseWriter, r *http.Request) {
+		http.Redirect(res, r, "u/0/overview", http.StatusFound)
+	}).Methods("GET")
+
+	http.ListenAndServe(cfg.Listen, r)
+}
+
+func serveAssets(res http.ResponseWriter, r *http.Request) {
+	data, err := Asset(r.RequestURI[1:])
+	if err != nil {
+		http.Error(res, "Not found", http.StatusNotFound)
+		return
+	}
+
+	res.Header().Set("Content-Type", mime.TypeByExtension(filepath.Ext(r.RequestURI)))
+	res.Write(data)
+}
+
+func createUserFilename(username string) string {
+	return fmt.Sprintf("%x", sha1.Sum([]byte(cfg.UsernameSalt+username)))
+}

overview.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/flosch/pongo2"
+	"github.com/gorilla/sessions"
+)
+
+func overviewHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	user, err := checkLogin(r, session)
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if user == nil || !storage.IsPresent(user.UserFile) {
+		http.Redirect(res, r, "../../login", http.StatusFound)
+		return nil, nil
+	}
+
+	frontendAccounts := []string{}
+	idx := -1
+	for i, v := range session.Values["authorizedAccounts"].(authorizedAccounts) {
+		frontendAccounts = append(frontendAccounts, v.Name)
+		if v.Name == user.Name {
+			idx = i
+		}
+	}
+
+	(*ctx)["authorized_accounts"] = frontendAccounts
+	(*ctx)["current_user_index"] = idx
+
+	return String("overview.html"), nil
+}

register.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"crypto/sha1"
+	"fmt"
+	"net/http"
+
+	"github.com/flosch/pongo2"
+	"github.com/gorilla/sessions"
+)
+
+func registerHandler(res http.ResponseWriter, r *http.Request, session *sessions.Session, ctx *pongo2.Context) (*string, error) {
+	var (
+		username       = r.FormValue("username")
+		password       = r.FormValue("password")
+		passwordCheck  = r.FormValue("password_repeat")
+		hashedPassword = fmt.Sprintf("%x", sha1.Sum([]byte(cfg.PasswordSalt+password)))
+	)
+
+	if username == "" || password == "" || password != passwordCheck {
+		return String("register.html"), nil
+	}
+
+	if storage.IsPresent(createUserFilename(username)) {
+		(*ctx)["exists"] = true
+		return String("register.html"), nil
+	}
+
+	d := dataObject{}
+	d.MetaData.Password = hashedPassword
+	data, err := d.GetData()
+	if err != nil {
+		return nil, err // TODO: Handle in-app?
+	}
+
+	if err := storage.Write(createUserFilename(username), data); err == nil {
+		(*ctx)["created"] = true
+		return String("register.html"), nil
+	}
+
+	return nil, err // TODO: Handle in-app?
+}

storage.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/url"
+)
+
+var (
+	storageAdapters = map[string]storageAdapterInitializer{}
+)
+
+type storageAdapter interface {
+	Write(identifier string, data io.Reader) error
+	Read(identifier string) (io.Reader, error)
+	IsPresent(identifier string) bool
+	Backup(identifier string) error
+}
+type storageAdapterInitializer func(*url.URL) (storageAdapter, error)
+
+func getStorageAdapter(cfg *config) (storageAdapter, error) {
+	storageURI, _ := cfg.ParsedStorage()
+
+	if sa, ok := storageAdapters[storageURI.Scheme]; ok {
+		s, err := sa(storageURI)
+		if err != nil {
+			return nil, err
+		}
+		return s, nil
+	}
+
+	return nil, fmt.Errorf("Did not find storage adapter for '%s'", storageURI.Scheme)
+}
+
+func registerStorage(scheme string, f storageAdapterInitializer) error {
+	if _, ok := storageAdapters[scheme]; ok {
+		return fmt.Errorf("Cannot register '%s', is already registered", scheme)
+	}
+
+	storageAdapters[scheme] = f
+	return nil
+}

storageLocal.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/url"
+	"os"
+	"path"
+	"strconv"
+	"time"
+)
+
+func init() {
+	registerStorage("local", NewLocalStorage)
+}
+
+// LocalStorage implements a storage option for local file storage
+type LocalStorage struct {
+	path string
+}
+
+// NewLocalStorage checks config, creates the path and initializes a LocalStorage
+func NewLocalStorage(u *url.URL) (storageAdapter, error) {
+	p := u.Path[1:]
+
+	if len(p) == 0 {
+		return nil, fmt.Errorf("Path not present.")
+	}
+
+	if err := os.MkdirAll(path.Join(p, "backup"), 0755); err != nil {
+		return nil, fmt.Errorf("Unable to create path '%s'", p)
+	}
+
+	return &LocalStorage{
+		path: p,
+	}, nil
+}
+
+// Write store the data of a dataObject into the storage
+func (l *LocalStorage) Write(identifier string, data io.Reader) error {
+	f, err := os.Create(path.Join(l.path, identifier))
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(f, data)
+	return err
+}
+
+// Read reads the data of a dataObject from the storage
+func (l *LocalStorage) Read(identifier string) (io.Reader, error) {
+	return os.Open(path.Join(l.path, identifier))
+}
+
+// IsPresent checks for the presence of an userfile identifier
+func (l *LocalStorage) IsPresent(identifier string) bool {
+	_, err := os.Stat(path.Join(l.path, identifier))
+	return err == nil
+}
+
+// Backup creates a backup of the old data
+func (l *LocalStorage) Backup(identifier string) error {
+	ts := strconv.FormatInt(time.Now().Unix(), 10)
+
+	o, err := os.Open(path.Join(l.path, identifier))
+	if err != nil {
+		return err
+	}
+	n, err := os.Create(path.Join(l.path, "backup", fmt.Sprintf("%s.%s", identifier, ts)))
+	if err != nil {
+		return err
+	}
+
+	defer o.Close()
+	defer n.Close()
+
+	_, err = io.Copy(n, o)
+	return err
+}

storageS3.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/url"
+	"path"
+	"strconv"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/s3"
+)
+
+func init() {
+	registerStorage("s3", NewS3Storage)
+}
+
+// S3Storage implements a storage option for Amazon S3
+type S3Storage struct {
+	bucket string
+	path   string
+	conn   *s3.S3
+}
+
+// NewS3Storage checks config, creates the path and initializes a S3Storage
+func NewS3Storage(u *url.URL) (storageAdapter, error) {
+	return &S3Storage{
+		bucket: u.Host,
+		path:   u.Path,
+		conn:   s3.New(&aws.Config{}),
+	}, nil
+}
+
+// Write store the data of a dataObject into the storage
+func (s *S3Storage) Write(identifier string, data io.Reader) error {
+	buf := bytes.NewBuffer([]byte{})
+	io.Copy(buf, data)
+
+	_, err := s.conn.PutObject(&s3.PutObjectInput{
+		Bucket: aws.String(s.bucket),
+		Body:   bytes.NewReader(buf.Bytes()),
+		Key:    aws.String(path.Join(s.path, identifier)),
+	})
+	return err
+}
+
+// Read reads the data of a dataObject from the storage
+func (s *S3Storage) Read(identifier string) (io.Reader, error) {
+	out, err := s.conn.GetObject(&s3.GetObjectInput{
+		Bucket: aws.String(s.bucket),
+		Key:    aws.String(path.Join(s.path, identifier)),
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return out.Body, nil
+}
+
+// IsPresent checks for the presence of an userfile identifier
+func (s *S3Storage) IsPresent(identifier string) bool {
+	out, err := s.conn.HeadObject(&s3.HeadObjectInput{
+		Bucket: aws.String(s.bucket),
+		Key:    aws.String(path.Join(s.path, identifier)),
+	})
+
+	if err != nil {
+		return false
+	}
+
+	return *out.ContentLength > 0
+}
+
+// Backup creates a backup of the old data
+func (s *S3Storage) Backup(identifier string) error {
+	ts := strconv.FormatInt(time.Now().Unix(), 10)
+	_, err := s.conn.CopyObject(&s3.CopyObjectInput{
+		Bucket:     aws.String(s.bucket),
+		Key:        aws.String(path.Join(s.path, "backup", fmt.Sprintf("%s.%s", identifier, ts))),
+		CopySource: aws.String(path.Join(s.bucket, s.path, identifier)),
+	})
+
+	return err
+}

templates/login.html

@@ -0,0 +1,21 @@
+{% extends "outer.html" %}
+{% block title %}Login{% endblock %}
+{% block pagetype %}login{% endblock %}
+{% block content %}
+{% if error %}
+<div class="row">
+  <div class="col-md-4 col-md-push-4 alert alert-danger fade in">
+    <h4>Login Failed</h4>
+    <p>For security reasons we don't have more information for you. Sorry.</p>
+  </div>
+</div>
+{% endif %}
+<div class="row">
+  <form class="form-signin" method="post">
+    <h2 class="form-signin-heading">Please sign in</h2>
+    <input type="text" name="username" class="form-control" placeholder="Username">
+    <input type="password" name="password" class="form-control" placeholder="Password">
+    <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
+  </form>
+</div>
+{% endblock %}

templates/outer.html

@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <title>cloudkeys - {% block title%}{% endblock %}</title>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" media="screen">
+    <link href="assets/signin.css" rel="stylesheet">
+  </head>
+
+  <body>
+    <div class="navbar navbar-inverse navbar-fixed-top">
+      <div class="container">
+        <div class="navbar-header">
+          <a class="navbar-brand" href="overview">cloud<strong>keys</strong></a>
+        </div>
+        <div class="collapse navbar-collapse">
+          <ul class="nav navbar-nav hide">
+            <li class="active"><a href="#">Home</a></li>
+          </ul>
+          <ul class="nav navbar-nav pull-right">
+            <li><a href="register">Register</a></li>
+          </ul>
+        </div>
+      </div>
+    </div>
+    <div class="container {% block pagetype %}{% endblock %}">{% block content %}{% endblock %}</div>
+    <script src="//code.jquery.com/jquery-2.1.4.min.js"></script>
+    <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
+  </body>
+</html>

templates/overview.html

@@ -0,0 +1,141 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>cloudkeys</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
+    <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" media="screen">
+    <link href="../../assets/style.css" rel="stylesheet" media="screen">
+  </head>
+  <body>
+    <div class="navbar navbar-inverse navbar-fixed-top">
+      <div class="container">
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbarcollapse">
+            <span class="sr-only">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <a class="navbar-brand" href="../../u/{{ current_user_index }}/overview">cloud<strong>keys</strong></a>
+        </div>
+        <div class="collapse navbar-collapse" id="navbarcollapse">
+          <ul class="nav navbar-nav hide">
+            <li class="active"><a href="../../u/{{ current_user_index }}/overview">Home</a></li>
+            <li><a id="newEntityLink">New</a></li>
+            <li><a id="importLink">Import</a></li>
+          </ul>
+          <ul class="nav navbar-nav pull-right">
+            <li class="dropdown">
+                <a href="#" class="dropdown-toggle" data-toggle="dropdown">Switch Account <b class="caret"></b></a>
+                <ul class="dropdown-menu">
+                    {% for user in authorized_accounts %}
+                        {% if forloop.Counter0 == current_user_index %}
+                        <li><a href="../../u/{{ forloop.Counter0 }}/overview" class="active_account">{{ user }}</a></li>
+                        {% else %}
+                        <li><a href="../../u/{{ forloop.Counter0 }}/overview">{{ user }}</a></li>
+                        {% endif %}
+                    {% endfor %}
+                    <li class="divider"></li>
+                    <li><a href="../../login">Add Account</a></li>
+                </ul>
+            </li>
+            <li><a href="../../logout">Logout</a></li>
+          </ul>
+        </div>
+      </div>
+    </div>
+    <div id="loader" class="container hide">
+      <div class="row">
+        <img src="../../assets/ajax-loader.gif" />
+      </div>
+    </div>
+    <div id="passwordRequest" class="container">
+      <div class="row">
+        <div id="searchbox" class="col-md-8 col-md-push-2">
+          <input type="password" id="pw" placeholder="Password">
+        </div>
+      </div>
+      <div class="row">
+        <div class="col-md-8 col-md-push-2">
+          <small><strong>Hint:</strong> I you are here for the first time, this password will be set as your encryption password for your storage. We don't send it to our server, but only your encrypted storage. We're never able to read your password storage.<br>After that you can import and create passwords.</small>
+        </div>
+      </div>
+    </div>
+    <div class="container hide">
+      <div class="row" id="importContainer">
+        <div id="importer" class="col-md-8 col-md-push-2">
+          <textarea id="import"></textarea>
+        </div>
+        <div class="col-md-8 col-md-push-2">
+          <button class="btn btn-primary">Import</button>
+        </div>
+      </div>
+      <div class="row">
+        <div id="searchbox" class="col-md-8 col-md-push-2">
+          <input type="text" id="search" placeholder="Search">
+        </div>
+      </div>
+      <div class="row">
+        <div id="content" class="col-md-12" role="main">
+          <div id="resultdescription" class="col-md-12">Search results: <span>0</span> items</div>
+          <ul id="items">
+          </ul>
+        </div>
+      </div>
+
+    </div>
+    <div id="editDialog" class="modal fade">
+      <div class="modal-dialog">
+        <div class="modal-content">
+          <div class="modal-header">
+            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+            <h4 class="modal-title">Edit</h4>
+          </div>
+          <div class="modal-body">
+            <form role="form">
+              <input type="hidden" name="num" value="">
+              <div class="form-group">
+                <label class="control-label" for="title">Title</label>
+                <input type="text" class="form-control" id="title" placeholder="Enter Title">
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="username">Username</label>
+                <input type="text" class="form-control" id="username" placeholder="Enter Username">
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="password">Password</label>
+                <input type="password" class="form-control" id="password" placeholder="Enter Password">
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="repeat_password">Repeat Password</label>
+                <input type="password" class="form-control" id="repeat_password" placeholder="Repeat Password">
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="url">URL</label>
+                <input type="url" class="form-control" id="url" placeholder="Enter URL">
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="Comment">Comment</label>
+                <textarea type="text" class="form-control" id="comment" placeholder="Enter Comment"></textarea>
+              </div>
+              <div class="form-group">
+                <label class="control-label" for="tags">Tags</label>
+                <input type="text" class="form-control" id="tags" placeholder="Enter Tags">
+              </div>
+            </form>
+          </div>
+          <div class="modal-footer">
+            <button type="button" class="btn btn-danger">Delete</button>
+            <button id="formClose" type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+            <button type="button" class="btn btn-primary">Save changes</button>
+          </div>
+        </div>
+      </div>
+    </div>
+    <script src="//crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/aes.js"></script>
+    <script src="//crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/sha1.js"></script>
+    <script src="//code.jquery.com/jquery-2.1.4.min.js"></script>
+    <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
+    <script src="../../assets/script.js"></script>
+  </body>
+</html>

templates/register.html

@@ -0,0 +1,33 @@
+{% extends "outer.html" %}
+{% block title %}Registration{% endblock %}
+{% block pagetype %}register{% endblock %}
+{% block content %}
+{% if created %}
+<div class="row">
+  <div class="col-md-4 col-md-push-4 alert alert-success fade in">
+    <h4>Woohoo!</h4>
+    <p>Your account has been created. Go to the <a href="login">Login page</a> to login.</p>
+  </div>
+</div>
+{% endif %}
+{% if exists %}
+<div class="row">
+  <div class="col-md-4 col-md-push-4 alert alert-danger fade in">
+    <h4>Sorry!</h4>
+    <p>Your username already exists</p>
+  </div>
+</div>
+{% endif %}
+<form class="form-signin" method="post">
+  <h2 class="form-signin-heading">Please register</h2>
+  <input type="text" name="username" class="form-control" placeholder="Username">
+  <input type="password" name="password" class="form-control" placeholder="Password">
+  <input type="password" name="password_repeat" class="form-control" placeholder="Repeat Password">
+  <button class="btn btn-lg btn-primary btn-block" type="submit">Register</button>
+</form>
+<div class="row">
+  <div class="col-md-4 col-md-push-4">
+    This login is to protect your password storage. This username and password are only for login reasons, but your passwords will not be encrypted with <strong>this</strong> password. You can set your encryption password after your first login.
+  </div>
+</div>
+{% endblock %}