Frontend folder structure refactor

33 files changed, 293 insertions, 234 deletions

diff --git a/connection_streams_controller.go b/connection_streams_controller.go
index 9251a3a..89e484d 100644
--- a/connection_streams_controller.go
+++ b/connection_streams_controller.go
@@ -28,8 +28,7 @@ import (
 )
 
 const (
-	initialPayloadsSize     = 1024
-	defaultQueryFormatLimit = 8024
+	initialMessagesSize     = 1024
 	initialRegexSlicesCount = 8
 	pwntoolsMaxServerBytes  = 20
 )
@@ -66,8 +65,6 @@ type RegexSlice struct {
 
 type GetMessageFormat struct {
 	Format string `form:"format"`
-	Skip   uint64 `form:"skip"`
-	Limit  uint64 `form:"limit"`
 }
 
 type DownloadMessageFormat struct {
@@ -92,12 +89,8 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 		return nil, false
 	}
 
-	payloads := make([]*Message, 0, initialPayloadsSize)
-	var clientIndex, serverIndex, globalIndex uint64
-
-	if format.Limit <= 0 {
-		format.Limit = defaultQueryFormatLimit
-	}
+	messages := make([]*Message, 0, initialMessagesSize)
+	var clientIndex, serverIndex uint64
 
 	var clientBlocksIndex, serverBlocksIndex int
 	var clientDocumentIndex, serverDocumentIndex int
@@ -111,8 +104,8 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 		return serverBlocksIndex < len(serverStream.BlocksIndexes)
 	}
 
-	var payload *Message
-	payloadsBuffer := make([]*Message, 0, 16)
+	var message *Message
+	messagesBuffer := make([]*Message, 0, 16)
 	contentChunkBuffer := new(bytes.Buffer)
 	var lastContentSlice []byte
 	var sideChanged, lastClient, lastServer bool
@@ -129,7 +122,7 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 			}
 			size := uint64(end - start)
 
-			payload = &Message{
+			message = &Message{
 				FromClient:      true,
 				Content:         DecodeBytes(clientStream.Payload[start:end], format.Format),
 				Index:           start,
@@ -138,7 +131,6 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 				RegexMatches:    findMatchesBetween(clientStream.PatternMatches, clientIndex, clientIndex+size),
 			}
 			clientIndex += size
-			globalIndex += size
 			clientBlocksIndex++
 
 			lastContentSlice = clientStream.Payload[start:end]
@@ -153,7 +145,7 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 			}
 			size := uint64(end - start)
 
-			payload = &Message{
+			message = &Message{
 				FromClient:      false,
 				Content:         DecodeBytes(serverStream.Payload[start:end], format.Format),
 				Index:           start,
@@ -162,7 +154,6 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 				RegexMatches:    findMatchesBetween(serverStream.PatternMatches, serverIndex, serverIndex+size),
 			}
 			serverIndex += size
-			globalIndex += size
 			serverBlocksIndex++
 
 			lastContentSlice = serverStream.Payload[start:end]
@@ -172,49 +163,43 @@ func (csc ConnectionStreamsController) GetConnectionMessages(c context.Context,
 		if !hasClientBlocks() {
 			clientDocumentIndex++
 			clientBlocksIndex = 0
+			clientIndex = 0
 			clientStream = csc.getConnectionStream(c, connectionID, true, clientDocumentIndex)
 		}
 		if !hasServerBlocks() {
 			serverDocumentIndex++
 			serverBlocksIndex = 0
+			serverIndex = 0
 			serverStream = csc.getConnectionStream(c, connectionID, false, serverDocumentIndex)
 		}
 
 		updateMetadata := func() {
 			metadata := parsers.Parse(contentChunkBuffer.Bytes())
 			var isMetadataContinuation bool
-			for _, elem := range payloadsBuffer {
+			for _, elem := range messagesBuffer {
 				elem.Metadata = metadata
 				elem.IsMetadataContinuation = isMetadataContinuation
 				isMetadataContinuation = true
 			}
 
-			payloadsBuffer = payloadsBuffer[:0]
+			messagesBuffer = messagesBuffer[:0]
 			contentChunkBuffer.Reset()
 		}
 
 		if sideChanged {
 			updateMetadata()
 		}
-		payloadsBuffer = append(payloadsBuffer, payload)
+		messagesBuffer = append(messagesBuffer, message)
 		contentChunkBuffer.Write(lastContentSlice)
 
 		if clientStream.ID.IsZero() && serverStream.ID.IsZero() {
 			updateMetadata()
 		}
 
-		if globalIndex > format.Skip {
-			// problem: waste of time if the payload is discarded
-			payloads = append(payloads, payload)
-		}
-		if globalIndex > format.Skip+format.Limit {
-			// problem: the last chunk is not parsed, but can be ok because it is not finished
-			updateMetadata()
-			return payloads, true
-		}
+		messages = append(messages, message)
 	}
 
-	return payloads, true
+	return messages, true
 }
 
 func (csc ConnectionStreamsController) DownloadConnectionMessages(c context.Context, connectionID RowID,
@@ -345,7 +330,6 @@ func findMatchesBetween(patternMatches map[uint][]PatternSlice, from, to uint64)
 				continue
 			}
 
-			log.Info(slice[0], slice[1], from, to)
 			var start, end uint64
 			if from > slice[0] {
 				start = 0
diff --git a/frontend/src/views/App.js b/frontend/src/components/App.js
index 8105117..bf959c5 100644
--- a/frontend/src/views/App.js
+++ b/frontend/src/components/App.js
@@ -16,15 +16,11 @@
  */
 
 import React, {Component} from 'react';
-import './App.scss';
-import Header from "./Header";
-import MainPane from "../components/panels/MainPane";
-import Timeline from "./Timeline";
-import {BrowserRouter as Router} from "react-router-dom";
-import Filters from "./Filters";
-import ConfigurationPane from "../components/panels/ConfigurationPane";
-import Notifications from "../components/Notifications";
+import ConfigurationPage from "./pages/ConfigurationPage";
+import Notifications from "./Notifications";
 import dispatcher from "../dispatcher";
+import MainPage from "./pages/MainPage";
+import ServiceUnavailablePage from "./pages/ServiceUnavailablePage";
 
 class App extends Component {
 
@@ -50,30 +46,15 @@ class App extends Component {
     }
 
     render() {
-        let modal;
-        if (this.state.filterWindowOpen && this.state.configured) {
-            modal = <Filters onHide={() => this.setState({filterWindowOpen: false})}/>;
-        }
-
         return (
-            <div className="main">
+            <>
                 <Notifications/>
-                {this.state.connected &&
-                    <Router>
-                        <div className="main-header">
-                            <Header onOpenFilters={() => this.setState({filterWindowOpen: true})}/>
-                        </div>
-                        <div className="main-content">
-                            {this.state.configured ? <MainPane/> :
-                                <ConfigurationPane onConfigured={() => this.setState({configured: true})}/>}
-                            {modal}
-                        </div>
-                        <div className="main-footer">
-                            {this.state.configured && <Timeline/>}
-                        </div>
-                    </Router>
+                {this.state.connected ?
+                    (this.state.configured ? <MainPage/> :
+                        <ConfigurationPage onConfigured={() => this.setState({configured: true})}/>) :
+                    <ServiceUnavailablePage/>
                 }
-            </div>
+            </>
         );
     }
 }
diff --git a/frontend/src/views/Header.js b/frontend/src/components/Header.js
index 2cfe9fb..4d29364 100644
--- a/frontend/src/views/Header.js
+++ b/frontend/src/components/Header.js
@@ -18,9 +18,9 @@
 import React, {Component} from 'react';
 import Typed from 'typed.js';
 import './Header.scss';
-import {filtersDefinitions, filtersNames} from "../components/filters/FiltersDefinitions";
+import {filtersDefinitions, filtersNames} from "./filters/FiltersDefinitions";
 import {Link, withRouter} from "react-router-dom";
-import ButtonField from "../components/fields/ButtonField";
+import ButtonField from "./fields/ButtonField";
 
 class Header extends Component {
 
@@ -71,9 +71,11 @@ class Header extends Component {
                 <div className="row">
                     <div className="col-auto">
                         <h1 className="header-title type-wrap">
-                            <span style={{whiteSpace: 'pre'}} ref={(el) => {
-                                this.el = el;
-                            }}/>
+                            <Link to="/">
+                                <span style={{whiteSpace: 'pre'}} ref={(el) => {
+                                    this.el = el;
+                                }}/>
+                            </Link>
                         </h1>
                     </div>
 
diff --git a/frontend/src/views/Header.scss b/frontend/src/components/Header.scss
index 0711159..e2e8e1c 100644
--- a/frontend/src/views/Header.scss
+++ b/frontend/src/components/Header.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../colors";
 
 .header {
   height: 80px;
diff --git a/frontend/src/views/Timeline.js b/frontend/src/components/Timeline.js
index ebe3eb9..7be42e0 100644
--- a/frontend/src/views/Timeline.js
+++ b/frontend/src/components/Timeline.js
@@ -29,7 +29,7 @@ import {
 } from "react-timeseries-charts";
 import {TimeRange, TimeSeries} from "pondjs";
 import backend from "../backend";
-import ChoiceField from "../components/fields/ChoiceField";
+import ChoiceField from "./fields/ChoiceField";
 import {withRouter} from "react-router-dom";
 import log from "../log";
 import dispatcher from "../dispatcher";
diff --git a/frontend/src/views/Timeline.scss b/frontend/src/components/Timeline.scss
index 14360d4..eeb9d50 100644
--- a/frontend/src/views/Timeline.scss
+++ b/frontend/src/components/Timeline.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../colors";
 
 .footer {
   padding: 15px;
diff --git a/frontend/src/views/Filters.js b/frontend/src/components/dialogs/Filters.js
index 3dd8280..35c11df 100644
--- a/frontend/src/views/Filters.js
+++ b/frontend/src/components/dialogs/Filters.js
@@ -17,8 +17,8 @@
 
 import React, {Component} from 'react';
 import {Col, Container, Modal, Row, Table} from "react-bootstrap";
-import {filtersDefinitions, filtersNames} from "../components/filters/FiltersDefinitions";
-import ButtonField from "../components/fields/ButtonField";
+import {filtersDefinitions, filtersNames} from "../filters/FiltersDefinitions";
+import ButtonField from "../fields/ButtonField";
 
 class Filters extends Component {
 
diff --git a/frontend/src/components/Connection.js b/frontend/src/components/objects/Connection.js
index c7b0010..5e2beba 100644
--- a/frontend/src/components/Connection.js
+++ b/frontend/src/components/objects/Connection.js
@@ -18,10 +18,10 @@
 import React, {Component} from 'react';
 import './Connection.scss';
 import {Form, OverlayTrigger, Popover} from "react-bootstrap";
-import backend from "../backend";
-import {dateTimeToTime, durationBetween, formatSize} from "../utils";
-import ButtonField from "./fields/ButtonField";
-import LinkPopover from "./objects/LinkPopover";
+import backend from "../../backend";
+import {dateTimeToTime, durationBetween, formatSize} from "../../utils";
+import ButtonField from "../fields/ButtonField";
+import LinkPopover from "./LinkPopover";
 
 const classNames = require('classnames');
 
diff --git a/frontend/src/components/Connection.scss b/frontend/src/components/objects/Connection.scss
index cc1ea96..3b9f479 100644
--- a/frontend/src/components/Connection.scss
+++ b/frontend/src/components/objects/Connection.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../../colors";
 
 .connection {
   border-top: 3px solid $color-primary-3;
diff --git a/frontend/src/components/ConnectionMatchedRules.js b/frontend/src/components/objects/ConnectionMatchedRules.js
index 35643c5..73d5c5d 100644
--- a/frontend/src/components/ConnectionMatchedRules.js
+++ b/frontend/src/components/objects/ConnectionMatchedRules.js
@@ -17,7 +17,7 @@
 
 import React, {Component} from 'react';
 import './ConnectionMatchedRules.scss';
-import ButtonField from "./fields/ButtonField";
+import ButtonField from "../fields/ButtonField";
 
 class ConnectionMatchedRules extends Component {
 
diff --git a/frontend/src/components/ConnectionMatchedRules.scss b/frontend/src/components/objects/ConnectionMatchedRules.scss
index 65d9ac8..f46a914 100644
--- a/frontend/src/components/ConnectionMatchedRules.scss
+++ b/frontend/src/components/objects/ConnectionMatchedRules.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../../colors";
 
 .connection-matches {
   background-color: $color-primary-0;
diff --git a/frontend/src/components/MessageAction.js b/frontend/src/components/objects/MessageAction.js
index b94cbb9..9f199b7 100644
--- a/frontend/src/components/MessageAction.js
+++ b/frontend/src/components/objects/MessageAction.js
@@ -18,8 +18,8 @@
 import React, {Component} from 'react';
 import './MessageAction.scss';
 import {Modal} from "react-bootstrap";
-import TextField from "./fields/TextField";
-import ButtonField from "./fields/ButtonField";
+import TextField from "../fields/TextField";
+import ButtonField from "../fields/ButtonField";
 
 class MessageAction extends Component {
 
diff --git a/frontend/src/components/MessageAction.scss b/frontend/src/components/objects/MessageAction.scss
index faa23d3..996007b 100644
--- a/frontend/src/components/MessageAction.scss
+++ b/frontend/src/components/objects/MessageAction.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../../colors";
 
 .message-action-value {
   font-size: 13px;
diff --git a/frontend/src/components/panels/ConfigurationPane.js b/frontend/src/components/pages/ConfigurationPage.js
index 9ae2cfb..6ab8ae3 100644
--- a/frontend/src/components/panels/ConfigurationPane.js
+++ b/frontend/src/components/pages/ConfigurationPage.js
@@ -16,8 +16,8 @@
  */
 
 import React, {Component} from 'react';
-import './common.scss';
-import './ConfigurationPane.scss';
+import '../panels/common.scss';
+import './ConfigurationPage.scss';
 import LinkPopover from "../objects/LinkPopover";
 import {Col, Container, Row} from "react-bootstrap";
 import InputField from "../fields/InputField";
@@ -29,7 +29,7 @@ import Table from "react-bootstrap/Table";
 import validation from "../../validation";
 import backend from "../../backend";
 
-class ConfigurationPane extends Component {
+class ConfigurationPage extends Component {
 
     constructor(props) {
         super(props);
@@ -114,7 +114,7 @@ class ConfigurationPane extends Component {
         </tr>);
 
         return (
-            <div className="configuration-pane">
+            <div className="configuration-page">
                 <div className="pane">
                     <div className="pane-container">
                         <div className="pane-section">
@@ -176,4 +176,4 @@ class ConfigurationPane extends Component {
     }
 }
 
-export default ConfigurationPane;
+export default ConfigurationPage;
diff --git a/frontend/src/components/panels/ConfigurationPane.scss b/frontend/src/components/pages/ConfigurationPage.scss
index ef48b34..4509865 100644
--- a/frontend/src/components/panels/ConfigurationPane.scss
+++ b/frontend/src/components/pages/ConfigurationPage.scss
@@ -1,6 +1,6 @@
 @import "../../colors";
 
-.configuration-pane {
+.configuration-page {
   display: flex;
   align-items: center;
   justify-content: center;
diff --git a/frontend/src/components/pages/MainPage.js b/frontend/src/components/pages/MainPage.js
new file mode 100644
index 0000000..7376091
--- /dev/null
+++ b/frontend/src/components/pages/MainPage.js
@@ -0,0 +1,76 @@
+/*
+ * This file is part of caronte (https://github.com/eciavatta/caronte).
+ * Copyright (c) 2020 Emiliano Ciavatta.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import React, {Component} from 'react';
+import './MainPage.scss';
+import './common.scss';
+import Connections from "../panels/ConnectionsPane";
+import StreamsPane from "../panels/StreamsPane";
+import {BrowserRouter as Router, Route, Switch} from "react-router-dom";
+import Timeline from "../Timeline";
+import PcapsPane from "../panels/PcapsPane";
+import RulesPane from "../panels/RulesPane";
+import ServicesPane from "../panels/ServicesPane";
+import Header from "../Header";
+import Filters from "../dialogs/Filters";
+import MainPane from "../panels/MainPane";
+
+class MainPage extends Component {
+
+    state = {};
+
+    render() {
+        let modal;
+        if (this.state.filterWindowOpen) {
+            modal = <Filters onHide={() => this.setState({filterWindowOpen: false})}/>;
+        }
+
+        return (
+            <div className="page main-page">
+                <Router>
+                    <div className="page-header">
+                        <Header onOpenFilters={() => this.setState({filterWindowOpen: true})}/>
+                    </div>
+
+                    <div className="page-content">
+                        <div className="pane connections-pane">
+                            <Connections onSelected={(c) => this.setState({selectedConnection: c})}/>
+                        </div>
+                        <div className="pane details-pane">
+                            <Switch>
+                                <Route path="/pcaps" children={<PcapsPane/>}/>
+                                <Route path="/rules" children={<RulesPane/>}/>
+                                <Route path="/services" children={<ServicesPane/>}/>
+                                <Route exact path="/connections/:id"
+                                       children={<StreamsPane connection={this.state.selectedConnection}/>}/>
+                                <Route children={<MainPane/>}/>
+                            </Switch>
+                        </div>
+
+                        {modal}
+                    </div>
+
+                    <div className="page-footer">
+                        <Timeline/>
+                    </div>
+                </Router>
+            </div>
+        );
+    }
+}
+
+export default MainPage;
diff --git a/frontend/src/components/pages/MainPage.scss b/frontend/src/components/pages/MainPage.scss
new file mode 100644
index 0000000..3b1a689
--- /dev/null
+++ b/frontend/src/components/pages/MainPage.scss
@@ -0,0 +1,24 @@
+@import "../../colors";
+
+.main-page {
+  .page-content {
+    display: flex;
+    flex: 1;
+    padding: 0 15px;
+    background-color: $color-primary-2;
+
+    .connections-pane {
+      flex: 1 0;
+      margin-right: 7.5px;
+    }
+
+    .details-pane {
+      flex: 1 1;
+      margin-left: 7.5px;
+    }
+  }
+
+  .page-footer {
+    flex: 0;
+  }
+}
diff --git a/frontend/src/components/pages/ServiceUnavailablePage.js b/frontend/src/components/pages/ServiceUnavailablePage.js
new file mode 100644
index 0000000..f27d84d
--- /dev/null
+++ b/frontend/src/components/pages/ServiceUnavailablePage.js
@@ -0,0 +1,34 @@
+/*
+ * This file is part of caronte (https://github.com/eciavatta/caronte).
+ * Copyright (c) 2020 Emiliano Ciavatta.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import React, {Component} from 'react';
+import './MainPage.scss';
+
+class ServiceUnavailablePage extends Component {
+
+    state = {};
+
+    render() {
+        return (
+            <div className="main-page">
+
+            </div>
+        );
+    }
+}
+
+export default ServiceUnavailablePage;
diff --git a/frontend/src/components/pages/common.scss b/frontend/src/components/pages/common.scss
new file mode 100644
index 0000000..fcf5c20
--- /dev/null
+++ b/frontend/src/components/pages/common.scss
@@ -0,0 +1,16 @@
+.page {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+
+  .page-header,
+  .page-footer {
+    flex: 0;
+  }
+
+  .page-content {
+    overflow: hidden;
+    flex: 1;
+  }
+}
diff --git a/frontend/src/views/Connections.js b/frontend/src/components/panels/ConnectionsPane.js
index b2edd3f..038ef8f 100644
--- a/frontend/src/views/Connections.js
+++ b/frontend/src/components/panels/ConnectionsPane.js
@@ -16,18 +16,18 @@
  */
 
 import React, {Component} from 'react';
-import './Connections.scss';
-import Connection from "../components/Connection";
+import './ConnectionsPane.scss';
+import Connection from "../objects/Connection";
 import Table from 'react-bootstrap/Table';
 import {Redirect} from 'react-router';
 import {withRouter} from "react-router-dom";
-import backend from "../backend";
-import ConnectionMatchedRules from "../components/ConnectionMatchedRules";
-import log from "../log";
-import ButtonField from "../components/fields/ButtonField";
-import dispatcher from "../dispatcher";
+import backend from "../../backend";
+import ConnectionMatchedRules from "../objects/ConnectionMatchedRules";
+import log from "../../log";
+import ButtonField from "../fields/ButtonField";
+import dispatcher from "../../dispatcher";
 
-class Connections extends Component {
+class ConnectionsPane extends Component {
 
     state = {
         loading: false,
@@ -45,17 +45,22 @@ class Connections extends Component {
         this.queryLimit = 50;
         this.connectionsListRef = React.createRef();
         this.lastScrollPosition = 0;
-        this.doQueryStringRedirect = false;
-        this.doSelectedConnectionRedirect = false;
     }
 
     componentDidMount() {
-        this.loadConnections({limit: this.queryLimit})
-            .then(() => this.setState({loaded: true}));
-        if (this.props.initialConnection) {
-            this.setState({selected: this.props.initialConnection.id});
+        const initialParams = {limit: this.queryLimit};
+
+        const match = this.props.location.pathname.match(/^\/connections\/([a-f0-9]{24})$/);
+        if (match != null) {
+            const id = match[1];
+            initialParams.from = id;
+            backend.get(`/api/connections/${id}`)
+                .then(res => this.connectionSelected(res.json, false))
+                .catch(error => log.error("Error loading initial connection", error));
         }
 
+        this.loadConnections(initialParams, true).then(() => log.debug("Connections loaded"));
+
         dispatcher.register("timeline_updates", payload => {
             this.connectionsListRef.current.scrollTop = 0;
             this.loadConnections({
@@ -78,16 +83,17 @@ class Connections extends Component {
         });
     }
 
-    connectionSelected = (c) => {
-        this.doSelectedConnectionRedirect = true;
+    connectionSelected = (c, doRedirect = true) => {
+        this.doSelectedConnectionRedirect = doRedirect;
         this.setState({selected: c.id});
         this.props.onSelected(c);
+        log.debug(`Connection ${c.id} selected`);
     };
 
     componentDidUpdate(prevProps, prevState, snapshot) {
-        if (this.state.loaded && prevProps.location.search !== this.props.location.search) {
+        if (prevProps.location.search !== this.props.location.search) {
             this.loadConnections({limit: this.queryLimit})
-                .then(() => log.info("Connections reloaded after query string update"));
+                .then(() => log.info("ConnectionsPane reloaded after query string update"));
         }
     }
 
@@ -140,8 +146,7 @@ class Connections extends Component {
         }
     };
 
-    async loadConnections(params) {
-        let url = "/api/connections";
+    async loadConnections(params, isInitial = false) {
         const urlParams = new URLSearchParams(this.props.location.search);
         for (const [name, value] of Object.entries(params)) {
             urlParams.set(name, value);
@@ -155,7 +160,7 @@ class Connections extends Component {
             await this.loadServices();
         }
 
-        let res = (await backend.get(`${url}?${urlParams}`)).json;
+        let res = (await backend.get(`/api/connections?${urlParams}`)).json;
 
         let connections = this.state.connections;
         let firstConnection = this.state.firstConnection;
@@ -163,8 +168,14 @@ class Connections extends Component {
 
         if (params !== undefined && params.from !== undefined && params.to === undefined) {
             if (res.length > 0) {
-                connections = this.state.connections.concat(res.slice(1));
+                if (!isInitial) {
+                    res = res.slice(1);
+                }
+                connections = this.state.connections.concat(res);
                 lastConnection = connections[connections.length - 1];
+                if (isInitial) {
+                    firstConnection = connections[0];
+                }
                 if (connections.length > this.maxConnections) {
                     connections = connections.slice(connections.length - this.maxConnections,
                         connections.length - 1);
@@ -228,7 +239,7 @@ class Connections extends Component {
         let loading = null;
         if (this.state.loading) {
             loading = <tr>
-                <td colSpan={9}>Loading...</td>
+                <td colSpan={10}>Loading...</td>
             </tr>;
         }
 
@@ -290,4 +301,4 @@ class Connections extends Component {
 
 }
 
-export default withRouter(Connections);
+export default withRouter(ConnectionsPane);
diff --git a/frontend/src/views/Connections.scss b/frontend/src/components/panels/ConnectionsPane.scss
index de06096..06f5827 100644
--- a/frontend/src/views/Connections.scss
+++ b/frontend/src/components/panels/ConnectionsPane.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../../colors";
 
 .connections-container {
   position: relative;
diff --git a/frontend/src/components/panels/MainPane.js b/frontend/src/components/panels/MainPane.js
index d34d58a..74c859c 100644
--- a/frontend/src/components/panels/MainPane.js
+++ b/frontend/src/components/panels/MainPane.js
@@ -17,57 +17,22 @@
 
 import React, {Component} from 'react';
 import './common.scss';
-import './MainPane.scss';
-import Connections from "../../views/Connections";
-import ConnectionContent from "../ConnectionContent";
-import {Route, Switch, withRouter} from "react-router-dom";
-import PcapPane from "./PcapPane";
-import backend from "../../backend";
-import RulePane from "./RulePane";
-import ServicePane from "./ServicePane";
-import log from "../../log";
+import './ServicesPane.scss';
 
 class MainPane extends Component {
 
     state = {};
 
-    componentDidMount() {
-        const match = this.props.location.pathname.match(/^\/connections\/([a-f0-9]{24})$/);
-        if (match != null) {
-            this.loading = true;
-            backend.get(`/api/connections/${match[1]}`)
-                .then(res => {
-                    this.loading = false;
-                    this.setState({selectedConnection: res.json});
-                    log.debug(`Initial connection ${match[1]} loaded`);
-                })
-                .catch(error => log.error("Error loading initial connection", error));
-        }
-    }
-
     render() {
         return (
-            <div className="main-pane">
-                <div className="pane connections-pane">
-                    {
-                        !this.loading &&
-                        <Connections onSelected={(c) => this.setState({selectedConnection: c})}
-                                     initialConnection={this.state.selectedConnection}/>
-                    }
-                </div>
-                <div className="pane details-pane">
-                    <Switch>
-                        <Route path="/pcaps" children={<PcapPane/>}/>
-                        <Route path="/rules" children={<RulePane/>}/>
-                        <Route path="/services" children={<ServicePane/>}/>
-                        <Route exact path="/connections/:id"
-                               children={<ConnectionContent connection={this.state.selectedConnection}/>}/>
-                        <Route children={<ConnectionContent/>}/>
-                    </Switch>
+            <div className="pane-container main-pane">
+                <div className="pane-section">
+                    MainPane
                 </div>
             </div>
         );
     }
+
 }
 
-export default withRouter(MainPane);
+export default MainPane;
diff --git a/frontend/src/components/panels/MainPane.scss b/frontend/src/components/panels/MainPane.scss
index 2973c00..c8460f2 100644
--- a/frontend/src/components/panels/MainPane.scss
+++ b/frontend/src/components/panels/MainPane.scss
@@ -1,22 +1,5 @@
 @import "../../colors";
 
 .main-pane {
-  display: flex;
-  height: 100%;
-  padding: 0 15px;
-  background-color: $color-primary-2;
 
-  .pane {
-    flex: 1;
-  }
-
-  .connections-pane {
-    flex: 1 0;
-    margin-right: 7.5px;
-  }
-
-  .details-pane {
-    flex: 1 1;
-    margin-left: 7.5px;
-  }
 }
diff --git a/frontend/src/components/panels/PcapPane.js b/frontend/src/components/panels/PcapsPane.js
index d5c2225..8722230 100644
--- a/frontend/src/components/panels/PcapPane.js
+++ b/frontend/src/components/panels/PcapsPane.js
@@ -16,7 +16,7 @@
  */
 
 import React, {Component} from 'react';
-import './PcapPane.scss';
+import './PcapsPane.scss';
 import './common.scss';
 import Table from "react-bootstrap/Table";
 import backend from "../../backend";
@@ -28,7 +28,7 @@ import ButtonField from "../fields/ButtonField";
 import LinkPopover from "../objects/LinkPopover";
 import dispatcher from "../../dispatcher";
 
-class PcapPane extends Component {
+class PcapsPane extends Component {
 
     state = {
         sessions: [],
@@ -270,4 +270,4 @@ class PcapPane extends Component {
     }
 }
 
-export default PcapPane;
+export default PcapsPane;
diff --git a/frontend/src/components/panels/PcapPane.scss b/frontend/src/components/panels/PcapsPane.scss
index 4dbc2b2..4dbc2b2 100644
--- a/frontend/src/components/panels/PcapPane.scss
+++ b/frontend/src/components/panels/PcapsPane.scss
diff --git a/frontend/src/components/panels/RulePane.js b/frontend/src/components/panels/RulesPane.js
index 9913962..a66cde7 100644
--- a/frontend/src/components/panels/RulePane.js
+++ b/frontend/src/components/panels/RulesPane.js
@@ -17,7 +17,7 @@
 
 import React, {Component} from 'react';
 import './common.scss';
-import './RulePane.scss';
+import './RulesPane.scss';
 import Table from "react-bootstrap/Table";
 import {Col, Container, Row} from "react-bootstrap";
 import InputField from "../fields/InputField";
@@ -36,7 +36,7 @@ import dispatcher from "../../dispatcher";
 const classNames = require('classnames');
 const _ = require('lodash');
 
-class RulePane extends Component {
+class RulesPane extends Component {
 
     emptyRule = {
         "name": "",
@@ -435,4 +435,4 @@ class RulePane extends Component {
 
 }
 
-export default RulePane;
+export default RulesPane;
diff --git a/frontend/src/components/panels/RulePane.scss b/frontend/src/components/panels/RulesPane.scss
index 992445a..992445a 100644
--- a/frontend/src/components/panels/RulePane.scss
+++ b/frontend/src/components/panels/RulesPane.scss
diff --git a/frontend/src/components/panels/ServicePane.js b/frontend/src/components/panels/ServicesPane.js
index fc7004b..bc82356 100644
--- a/frontend/src/components/panels/ServicePane.js
+++ b/frontend/src/components/panels/ServicesPane.js
@@ -17,7 +17,7 @@
 
 import React, {Component} from 'react';
 import './common.scss';
-import './ServicePane.scss';
+import './ServicesPane.scss';
 import Table from "react-bootstrap/Table";
 import {Col, Container, Row} from "react-bootstrap";
 import InputField from "../fields/InputField";
@@ -34,7 +34,7 @@ import dispatcher from "../../dispatcher";
 const classNames = require('classnames');
 const _ = require('lodash');
 
-class ServicePane extends Component {
+class ServicesPane extends Component {
 
     emptyService = {
         "port": 0,
@@ -209,4 +209,4 @@ class ServicePane extends Component {
 
 }
 
-export default ServicePane;
+export default ServicesPane;
diff --git a/frontend/src/components/panels/ServicePane.scss b/frontend/src/components/panels/ServicesPane.scss
index daf7e79..daf7e79 100644
--- a/frontend/src/components/panels/ServicePane.scss
+++ b/frontend/src/components/panels/ServicesPane.scss
diff --git a/frontend/src/components/ConnectionContent.js b/frontend/src/components/panels/StreamsPane.js
index b468277..c8bd121 100644
--- a/frontend/src/components/ConnectionContent.js
+++ b/frontend/src/components/panels/StreamsPane.js
@@ -16,47 +16,47 @@
  */
 
 import React, {Component} from 'react';
-import './ConnectionContent.scss';
+import './StreamsPane.scss';
 import {Row} from 'react-bootstrap';
-import MessageAction from "./MessageAction";
-import backend from "../backend";
-import ButtonField from "./fields/ButtonField";
-import ChoiceField from "./fields/ChoiceField";
+import MessageAction from "../objects/MessageAction";
+import backend from "../../backend";
+import ButtonField from "../fields/ButtonField";
+import ChoiceField from "../fields/ChoiceField";
 import DOMPurify from 'dompurify';
 import ReactJson from 'react-json-view'
-import {downloadBlob, getHeaderValue} from "../utils";
-import log from "../log";
+import {downloadBlob, getHeaderValue} from "../../utils";
+import log from "../../log";
 
 const classNames = require('classnames');
 
-class ConnectionContent extends Component {
+class StreamsPane extends Component {
+
+    state = {
+        messages: [],
+        format: "default",
+        tryParse: true
+    };
 
     constructor(props) {
         super(props);
-        this.state = {
-            loading: false,
-            connectionContent: null,
-            format: "default",
-            tryParse: true,
-            messageActionDialog: null
-        };
 
         this.validFormats = ["default", "hex", "hexdump", "base32", "base64", "ascii", "binary", "decimal", "octal"];
     }
 
     componentDidMount() {
-        if (this.props.connection != null) {
-            this.loadStream();
+        if (this.props.connection && this.state.currentId !== this.props.connection.id) {
+            this.setState({currentId: this.props.connection.id});
+            this.loadStream(this.props.connection.id);
         }
 
         document.title = "caronte:~/$";
     }
 
     componentDidUpdate(prevProps, prevState, snapshot) {
-        if (this.props.connection != null && (
+        if (this.props.connection && (
             this.props.connection !== prevProps.connection || this.state.format !== prevState.format)) {
             this.closeRenderWindow();
-            this.loadStream();
+            this.loadStream(this.props.connection.id);
         }
     }
 
@@ -64,15 +64,10 @@ class ConnectionContent extends Component {
         this.closeRenderWindow();
     }
 
-    loadStream = () => {
-        this.setState({loading: true});
-        // TODO: limit workaround.
-        backend.get(`/api/streams/${this.props.connection.id}?format=${this.state.format}&limit=999999`).then(res => {
-            this.setState({
-                connectionContent: res.json,
-                loading: false
-            });
-        });
+    loadStream = (connectionId) => {
+        this.setState({messages: []});
+        backend.get(`/api/streams/${connectionId}?format=${this.state.format}`)
+            .then(res => this.setState({messages: res.json}));
     };
 
     setFormat = (format) => {
@@ -128,7 +123,7 @@ class ConnectionContent extends Component {
     };
 
     connectionsActions = (connectionMessage) => {
-        if (connectionMessage.metadata == null) { //} || !connectionMessage.metadata["reproducers"]) {
+        if (!connectionMessage.metadata) {
             return null;
         }
 
@@ -169,9 +164,11 @@ class ConnectionContent extends Component {
     };
 
     downloadStreamRaw = (value) => {
-        backend.download(`/api/streams/${this.props.connection.id}/download?format=${this.state.format}&type=${value}`)
-            .then(res => downloadBlob(res.blob, `${this.props.connection.id}-${value}-${this.state.format}.txt`))
-            .catch(_ => log.error("Failed to download stream messages"));
+        if (this.state.currentId) {
+            backend.download(`/api/streams/${this.props.connection.id}/download?format=${this.state.format}&type=${value}`)
+                .then(res => downloadBlob(res.blob, `${this.state.currentId}-${value}-${this.state.format}.txt`))
+                .catch(_ => log.error("Failed to download stream messages"));
+        }
     };
 
     closeRenderWindow = () => {
@@ -181,12 +178,14 @@ class ConnectionContent extends Component {
     };
 
     render() {
-        const conn = this.props.connection;
-        const content = this.state.connectionContent;
-
-        if (content == null) {
-            return <div>select a connection to view</div>;
-        }
+        const conn = this.props.connection || {
+            "ip_src": "0.0.0.0",
+            "ip_dst": "0.0.0.0",
+            "port_src": "0",
+            "port_dst": "0",
+            "started_at": new Date().toISOString(),
+        };
+        const content = this.state.messages || [];
 
         let payload = content.map((c, i) =>
             <div key={`content-${i}`}
@@ -240,4 +239,4 @@ class ConnectionContent extends Component {
 }
 
 
-export default ConnectionContent;
+export default StreamsPane;
diff --git a/frontend/src/components/ConnectionContent.scss b/frontend/src/components/panels/StreamsPane.scss
index f4edec9..d5510cf 100644
--- a/frontend/src/components/ConnectionContent.scss
+++ b/frontend/src/components/panels/StreamsPane.scss
@@ -1,4 +1,4 @@
-@import "../colors.scss";
+@import "../../colors";
 
 .connection-content {
   height: 100%;
diff --git a/frontend/src/index.js b/frontend/src/index.js
index e3e48de..ca1273a 100644
--- a/frontend/src/index.js
+++ b/frontend/src/index.js
@@ -19,7 +19,7 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import 'bootstrap/dist/css/bootstrap.css';
 import './index.scss';
-import App from './views/App';
+import App from './components/App';
 import * as serviceWorker from './serviceWorker';
 import notifications from "./notifications";
 
diff --git a/frontend/src/views/App.scss b/frontend/src/views/App.scss
deleted file mode 100644
index 87661c3..0000000
--- a/frontend/src/views/App.scss
+++ /dev/null
@@ -1,16 +0,0 @@
-
-.main {
-  display: flex;
-  flex-direction: column;
-  height: 100vh;
-
-  .main-content {
-    overflow: hidden;
-    flex: 1 1;
-  }
-
-  .main-header,
-  .main-footer {
-    flex: 0 0;
-  }
-}