From 42cd942b64e53db9feb5f6c8b2a95669e97b1230 Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Fri, 27 Mar 2015 15:30:19 +0100
Subject: web: initial attempt at header editor

---
 web/src/js/components/flowview/messages.js | 154 ++++++++++++++++++++++++-----
 web/src/js/flow/utils.js                   |   3 +
 2 files changed, 134 insertions(+), 23 deletions(-)

(limited to 'web')

diff --git a/web/src/js/components/flowview/messages.js b/web/src/js/components/flowview/messages.js
index cb8516fc..7feaa634 100644
--- a/web/src/js/components/flowview/messages.js
+++ b/web/src/js/components/flowview/messages.js
@@ -8,15 +8,77 @@ var utils = require("../../utils.js");
 var ContentView = require("./contentview.js");
 
 var Headers = React.createClass({
+    propTypes: {
+        onChange: React.PropTypes.func.isRequired,
+        message: React.PropTypes.object.isRequired
+    },
+    onChange: function (row, col, val) {
+        var nextHeaders = _.cloneDeep(this.props.message.headers);
+        nextHeaders[row][col] = val;
+        if (!nextHeaders[row][0] && !nextHeaders[row][1]) {
+            // do not delete last row
+            if (nextHeaders.length === 1) {
+                nextHeaders[0][0] = "Name";
+                nextHeaders[0][1] = "Value";
+            } else {
+                nextHeaders.splice(row, 1);
+                // manually move selection target if this has been the last row.
+                if(row === nextHeaders.length){
+                    this._nextSel = (row-1)+"-value";
+                }
+            }
+        }
+        this.props.onChange(nextHeaders);
+    },
+    onTab: function (row, col, e) {
+        var headers = this.props.message.headers;
+        if (row === headers.length - 1 && col === 1) {
+            e.preventDefault();
+
+            var nextHeaders = _.cloneDeep(this.props.message.headers);
+            nextHeaders.push(["Name", "Value"]);
+            this.props.onChange(nextHeaders);
+            this._nextSel = (row + 1) + "-key";
+        }
+    },
+    componentDidUpdate: function () {
+        if (this._nextSel && this.refs[this._nextSel]) {
+            this.refs[this._nextSel].focus();
+            this._nextSel = undefined;
+        }
+    },
+    onRemove: function (row, col, e) {
+        if (col === 1) {
+            e.preventDefault();
+            this.refs[row + "-key"].focus();
+        } else if (row > 0) {
+            e.preventDefault();
+            this.refs[(row - 1) + "-value"].focus();
+        }
+    },
     render: function () {
+
         var rows = this.props.message.headers.map(function (header, i) {
+
+            var kEdit = <HeaderInlineInput
+                ref={i + "-key"}
+                content={header[0]}
+                onChange={this.onChange.bind(null, i, 0)}
+                onRemove={this.onRemove.bind(null, i, 0)}
+                onTab={this.onTab.bind(null, i, 0)}/>;
+            var vEdit = <HeaderInlineInput
+                ref={i + "-value"}
+                content={header[1]}
+                onChange={this.onChange.bind(null, i, 1)}
+                onRemove={this.onRemove.bind(null, i, 1)}
+                onTab={this.onTab.bind(null, i, 1)}/>;
             return (
                 <tr key={i}>
-                    <td className="header-name">{header[0] + ":"}</td>
-                    <td className="header-value">{header[1]}</td>
+                    <td className="header-name">{kEdit}:</td>
+                    <td className="header-value">{vEdit}</td>
                 </tr>
             );
-        });
+        }.bind(this));
         return (
             <table className="header-table">
                 <tbody>
@@ -27,8 +89,13 @@ var Headers = React.createClass({
     }
 });
 
+
 var InlineInput = React.createClass({
     mixins: [common.ChildFocus],
+    propTypes: {
+        content: React.PropTypes.string.isRequired, //must be string to match strict equality.
+        onChange: React.PropTypes.func.isRequired,
+    },
     getInitialState: function () {
         return {
             editable: false
@@ -65,10 +132,11 @@ var InlineInput = React.createClass({
                 }
                 break;
             default:
+                this.props.onKeyDown && this.props.onKeyDown(e);
                 break;
         }
     },
-    blur: function(){
+    blur: function () {
         this.getDOMNode().blur();
         this.context.returnFocus && this.context.returnFocus();
     },
@@ -98,17 +166,49 @@ var InlineInput = React.createClass({
     }
 });
 
+var HeaderInlineInput = React.createClass({
+    render: function () {
+        return <InlineInput ref="input" {...this.props} onKeyDown={this.onKeyDown}/>;
+    },
+    focus: function () {
+        this.getDOMNode().focus();
+    },
+    onKeyDown: function (e) {
+        switch (e.keyCode) {
+            case utils.Key.BACKSPACE:
+                var s = window.getSelection().getRangeAt(0);
+                if (s.startOffset === 0 && s.endOffset === 0) {
+                    this.props.onRemove(e);
+                }
+                break;
+            case utils.Key.TAB:
+                if(!e.shiftKey){
+                    this.props.onTab(e);
+                }
+                break;
+        }
+    }
+});
+
 var ValidateInlineInput = React.createClass({
+    propTypes: {
+        onChange: React.PropTypes.func.isRequired,
+        isValid: React.PropTypes.func.isRequired,
+        immediate: React.PropTypes.bool
+    },
     getInitialState: function () {
         return {
-            content: ""+this.props.content,
-            originalContent: ""+this.props.content
+            content: this.props.content,
+            originalContent: this.props.content
         };
     },
     onChange: function (val) {
         this.setState({
             content: val
         });
+        if (this.props.immediate && val !== this.state.originalContent && this.props.isValid(val)) {
+            this.props.onChange(val);
+        }
     },
     onDone: function () {
         if (this.state.content === this.state.originalContent) {
@@ -125,8 +225,8 @@ var ValidateInlineInput = React.createClass({
     componentWillReceiveProps: function (nextProps) {
         if (nextProps.content !== this.state.content) {
             this.setState({
-                content: ""+nextProps.content,
-                originalContent: ""+nextProps.content
+                content: nextProps.content,
+                originalContent: nextProps.content
             })
         }
     },
@@ -153,16 +253,13 @@ var RequestLine = React.createClass({
         var httpver = "HTTP/" + flow.request.httpversion.join(".");
 
         return <div className="first-line request-line">
-            <ValidateInlineInput content={flow.request.method} onChange={this.onMethodChange} isValid={this.isValidMethod}/>
+            <InlineInput content={flow.request.method} onChange={this.onMethodChange}/>
         &nbsp;
             <ValidateInlineInput content={url} onChange={this.onUrlChange} isValid={this.isValidUrl} />
         &nbsp;
-            <ValidateInlineInput content={httpver} onChange={this.onHttpVersionChange} isValid={flowutils.isValidHttpVersion} />
+            <ValidateInlineInput immediate content={httpver} onChange={this.onHttpVersionChange} isValid={flowutils.isValidHttpVersion} />
         </div>
     },
-    isValidMethod: function (method) {
-        return true;
-    },
     isValidUrl: function (url) {
         var u = flowutils.parseUrl(url);
         return !!u.host;
@@ -195,20 +292,17 @@ var ResponseLine = React.createClass({
         var flow = this.props.flow;
         var httpver = "HTTP/" + flow.response.httpversion.join(".");
         return <div className="first-line response-line">
-            <ValidateInlineInput content={httpver} onChange={this.onHttpVersionChange} isValid={flowutils.isValidHttpVersion} />
+            <ValidateInlineInput immediate content={httpver} onChange={this.onHttpVersionChange} isValid={flowutils.isValidHttpVersion} />
         &nbsp;
-            <ValidateInlineInput content={flow.response.code} onChange={this.onCodeChange} isValid={this.isValidCode} />
+            <ValidateInlineInput immediate content={flow.response.code + ""} onChange={this.onCodeChange} isValid={this.isValidCode} />
         &nbsp;
-            <ValidateInlineInput content={flow.response.msg} onChange={this.onMsgChange} isValid={this.isValidMsg} />
+            <InlineInput content={flow.response.msg} onChange={this.onMsgChange}/>
 
         </div>;
     },
     isValidCode: function (code) {
         return /^\d+$/.test(code);
     },
-    isValidMsg: function () {
-        return true;
-    },
     onHttpVersionChange: function (nextVer) {
         var ver = flowutils.parseHttpVersion(nextVer);
         actions.FlowActions.update(
@@ -216,13 +310,13 @@ var ResponseLine = React.createClass({
             {response: {httpversion: ver}}
         );
     },
-    onMsgChange: function(nextMsg){
+    onMsgChange: function (nextMsg) {
         actions.FlowActions.update(
             this.props.flow,
             {response: {msg: nextMsg}}
         );
     },
-    onCodeChange: function(nextCode){
+    onCodeChange: function (nextCode) {
         nextCode = parseInt(nextCode);
         actions.FlowActions.update(
             this.props.flow,
@@ -238,11 +332,18 @@ var Request = React.createClass({
             <section className="request">
                 <RequestLine flow={flow}/>
                 {/*<ResponseLine flow={flow}/>*/}
-                <Headers message={flow.request}/>
+                <Headers  message={flow.request} onChange={this.onHeaderChange}/>
                 <hr/>
                 <ContentView flow={flow} message={flow.request}/>
             </section>
         );
+    },
+    onHeaderChange: function (nextHeaders) {
+        actions.FlowActions.update(this.props.flow, {
+            request: {
+                headers: nextHeaders
+            }
+        });
     }
 });
 
@@ -253,11 +354,18 @@ var Response = React.createClass({
             <section className="response">
                 {/*<RequestLine flow={flow}/>*/}
                 <ResponseLine flow={flow}/>
-                <Headers message={flow.response}/>
+                <Headers message={flow.response} onChange={this.onHeaderChange}/>
                 <hr/>
                 <ContentView flow={flow} message={flow.response}/>
             </section>
         );
+    },
+    onHeaderChange: function (nextHeaders) {
+        actions.FlowActions.update(this.props.flow, {
+            response: {
+                headers: nextHeaders
+            }
+        });
     }
 });
 
diff --git a/web/src/js/flow/utils.js b/web/src/js/flow/utils.js
index aa91e3b6..d72febaa 100644
--- a/web/src/js/flow/utils.js
+++ b/web/src/js/flow/utils.js
@@ -80,6 +80,9 @@ var parseUrl = function (url) {
     //there are many correct ways to parse a URL,
     //however, a mitmproxy user may also wish to generate a not-so-correct URL. ;-)
     var parts = parseUrl_regex.exec(url);
+    if(!parts){
+        return false;
+    }
 
     var scheme = parts[1],
         host = parts[2],
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