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String extension method RemoveLineBreaks()
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Added GMeet logo as a resource.
Injection of HTML info block support added.
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@phw198
phw198 committed Nov 12, 2023
1 parent 6fc1586 commit 2df34b9
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9 changes: 9 additions & 0 deletions src/OutlookGoogleCalendarSync/Extensions/String.cs
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@@ -0,0 +1,9 @@
using System;

namespace OutlookGoogleCalendarSync {
public static class StringExtensions {
public static String RemoveLineBreaks(this String input) {
return input?.Replace("\r", "").Replace("\n", "");
}
}
}
2 changes: 2 additions & 0 deletions src/OutlookGoogleCalendarSync/OutlookGoogleCalendarSync.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -291,6 +291,7 @@
<Compile Include="Extensions\NumericUpDown.cs">
<SubType>Component</SubType>
</Compile>
<Compile Include="Extensions\String.cs" />
<Compile Include="Extensions\WebClient.cs">
<SubType>Component</SubType>
</Compile>
Expand Down Expand Up @@ -455,6 +456,7 @@
<Content Include="ErrorReportingTemplate.json">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</Content>
<None Include="Resources\gmeet_logo.png" />
<None Include="Resources\animated-tray-icon-strip-64x.bmp" />
<None Include="Resources\ogcs128x128-animated.gif" />
<None Include="Resources\ogcs128x128.png" />
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178 changes: 153 additions & 25 deletions src/OutlookGoogleCalendarSync/OutlookOgcs/GMeet.cs
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Original file line number Diff line number Diff line change
@@ -1,26 +1,56 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using log4net;
using Microsoft.Office.Interop.Outlook;
using System;
using System.Linq;
using System.Text.RegularExpressions;
using log4net;

namespace OutlookGoogleCalendarSync.OutlookOgcs {
static class GMeet {
public class GMeetLogo {
private static GMeetLogo instance;
private static readonly ILog log = LogManager.GetLogger(typeof(GMeetLogo));

public static GMeetLogo Instance {
get { return instance ??= new GMeetLogo(); }
}
public GMeetLogo() {
GMeetLogoBase64 = base64encode(Properties.Resources.gmeet_logo);
}

public String GMeetLogoBase64 {
get; internal set;
}

private String base64encode(System.Drawing.Image img) {
try {
byte[] imgBytes = null;
using (var stream = new System.IO.MemoryStream()) {
img.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
imgBytes = stream.ToArray();
}
return Convert.ToBase64String(imgBytes);

} catch (System.Exception ex) {
OGCSexception.Analyse("Could not load GMeet logo.", ex);
return "";
}
}
}

public static class GMeet {
private static readonly ILog log = LogManager.GetLogger(typeof(GMeet));

private static String meetingIdToken = "GMEETURL";
private const String meetingIdToken = "GMEETURL";
private const String meetingLogoToken = "GMEETLOGO";
private static String plainInfo = "\r\nGoogle Meet joining information\r\nGMEETURL\r\nFirst time using Meet? Learn more <https://gsuite.google.com/learning-center/products/meet/get-started/> \r\n\r\n";

private static String rtfInfoHeader = @"{\rtf1\ansi\ansicpg1252\deff0\deflang2057";
private static String plainHtmlInfo = "Google Meet joining informationGMEETURL <GMEETURL> First time using Meet? Learn more <https://gsuite.google.com/learning-center/products/meet/get-started/> ";

/// <summary>
/// RTF document code for Google Meet details
/// </summary>
private static String rtfInfo =
private static readonly String rtfHeader = @"{\rtf1\ansi\ansicpg1252\deff0\deflang2057{\fonttbl{\f0\fnil\fcharset0 Calibri;}{\f1\fswiss\fprq2\fcharset0 Calibri;}}";
private static readonly String rtfInfo =
#region RTF document
@"{\fonttbl{\f0\fnil\fcharset0 Calibri;}{\f1\fswiss\fprq2\fcharset0 Calibri;}}
@"
{\colortbl ;\red0\green0\blue255;\red5\green99\blue193;}
{\*\generator Msftedit 5.41.21.2510;}\viewkind4\uc1\pard\lang9\f0\fs22{\pict\wmetafile8\picw2117\pich794\picwgoal1200\pichgoal450
010009000003480e00000000320e00000000050000000b0200000000050000000c021a03450832
Expand Down Expand Up @@ -220,12 +250,98 @@ static class GMeet {
}";
#endregion

public static String PlainInfo(String meetingUrl) {
return plainInfo.Replace(meetingIdToken, meetingUrl);
/// <summary>
/// RTF HTML document code for Google Meet details
/// </summary>
private static readonly String rtfHtmlHeader = @"{\rtf1\ansi\ansicpg1252\fromhtml1 \fbidis \deff0{\fonttbl
{\f0\fswiss\fcharset0 Arial;}
{\f1\fmodern Courier New;}
{\f2\fnil\fcharset2 Symbol;}
{\f3\fmodern\fcharset0 Courier New;}}
{\colortbl\red0\green0\blue0;\red5\green99\blue193;}
\uc1\pard\plain\deftab360 \f0\fs24 ";
private static readonly String rtfHtmlInfo =
#region HTML document
@"
{\*\htmltag19 <html xmlns:v=""urn:schemas-microsoft-com:vml"" xmlns:o=""urn:schemas-microsoft-com:office:office"" xmlns:w=""urn:schemas-microsoft-com:office:word"" xmlns:m=""http://schemas.microsoft.com/office/2004/12/omml"" xmlns=""http://www.w3.org/TR/REC-html40"">}
{\*\htmltag34 <head>}
{\*\htmltag241 <style>}
{\*\htmltag241 <!--\par /* Font Definitions */\par @font-face\par \tab \{font-family:""Cambria Math"";\par \tab panose-1:2 4 5 3 5 4 6 3 2 4;\par \tab mso-font-charset:0;\par \tab mso-generic-font-family:roman;\par \tab mso-font-pitch:variable;\par \tab mso-font-signature:-536870145 1107305727 0 0 415 0;\}\par @font-face\par \tab \{font-family:Calibri;\par \tab panose-1:2 15 5 2 2 2 4 3 2 4;\par \tab mso-font-charset:0;\par \tab mso-generic-font-family:swiss;\par \tab mso-font-pitch:variable;\par \tab mso-font-signature:-536870145 1073786111 1 0 415 0;\}\par /* Style Definitions */\par p.MsoNormal, li.MsoNormal, div.MsoNormal\par \tab \{mso-style-unhide:no;\par \tab mso-style-qformat:yes;\par \tab mso-style-parent:"""";\par \tab margin:0cm;\par \tab margin-bottom:.0001pt;\par \tab mso-pagination:widow-orphan;\par \tab font-size:11.0pt;\par \tab font-family:""Calibri"",sans-serif;\par \tab mso-ascii-font-family:Calibri;\par \tab mso-fareast-font-family:Calibri;\par \tab mso-hansi-font-family:Calibri;\par \tab mso-bidi-font-family:""Times New Roman"";\par \tab mso-fareast-language:EN-US;\}\par a:link, span.MsoHyperlink\par \tab \{mso-style-noshow:yes;\par \tab mso-style-priority:99;\par \tab color:#0563C1;\par \tab text-decoration:underline;\par \tab text-underline:single;\}\par a:visited, span.MsoHyperlinkFollowed\par \tab \{mso-style-noshow:yes;\par \tab mso-style-priority:99;\par \tab color:#954F72;\par \tab text-decoration:underline;\par \tab text-underline:single;\}\par span.EmailStyle17\par \tab \{mso-style-type:personal-compose;\par \tab mso-style-noshow:yes;\par \tab mso-style-unhide:no;\par \tab font-family:""Calibri"",sans-serif;\par \tab mso-ascii-font-family:Calibri;\par \tab mso-hansi-font-family:Calibri;\par \tab mso-bidi-font-family:Calibri;\par \tab mso-ansi-language:EN;\par \tab mso-no-proof:yes;\}\par .MsoChpDefault\par \tab \{mso-style-type:export-only;\par \tab mso-default-props:yes;\par \tab font-family:""Calibri"",sans-serif;\par \tab mso-ascii-font-family:Calibri;\par \tab mso-fareast-font-family:Calibri;\par \tab mso-hansi-font-family:Calibri;\par \tab mso-bidi-font-family:""Times New Roman"";\par \tab mso-fareast-language:EN-US;\}\par @page WordSection1\par \tab \{size:612.0pt 792.0pt;\par \tab margin:72.0pt 72.0pt 72.0pt 72.0pt;\par \tab mso-header-margin:36.0pt;\par \tab mso-footer-margin:36.0pt;\par \tab mso-paper-source:0;\}\par div.WordSection1\par \tab \{page:WordSection1;\}\par -->}
{\*\htmltag249 </style>}
{\*\htmltag41 </head>}
{\*\htmltag50 <body lang=EN-GB link=""#0563C1"" vlink=""#954F72"" style='tab-interval:36.0pt'>}
{\*\htmltag96 <div class=WordSection1>}\htmlrtf {\htmlrtf0
{\*\htmltag64 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>}\htmlrtf {\htmlrtf0
{\*\htmltag148 <span lang=EN style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;mso-ansi-language:EN;mso-no-proof:yes'>}\htmlrtf {\htmlrtf0
{\*\htmltag84 <img width=80 height=30 src=""data:image/png;base64,GMEETLOGO"">}
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0
{\*\htmltag148 <span style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri'>}\htmlrtf {\htmlrtf0
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0 \htmlrtf\par}\htmlrtf0
{\*\htmltag72 </p>}
{\*\htmltag64 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>}\htmlrtf {\htmlrtf0
{\*\htmltag84 <b>}\htmlrtf {\b \htmlrtf0
{\*\htmltag148 <span style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri'>}\htmlrtf {\htmlrtf0 Google Meet joining information
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0
{\*\htmltag92 </b>}\htmlrtf }\htmlrtf0
{\*\htmltag72 </p>}
{\*\htmltag64 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>}\htmlrtf {\htmlrtf0
{\*\htmltag148 <span style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri'>}\htmlrtf {\htmlrtf0
{\*\htmltag84 <a href=""GMEETURL"">}\htmlrtf {\field{\*\fldinst{HYPERLINK ""GMEETURL""}}{\fldrslt\cf1\ul \htmlrtf0
{\*\htmltag148 <span style='color:blue'>}\htmlrtf {\htmlrtf0 GMEETURL
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0 \htmlrtf }\htmlrtf0 \htmlrtf }\htmlrtf0
{\*\htmltag92 </a>}
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0 \htmlrtf\par}\htmlrtf0
{\*\htmltag72 </p>}
{\*\htmltag64 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>}\htmlrtf {\htmlrtf0
{\*\htmltag148 <span style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri'>}\htmlrtf {\htmlrtf0 First time using Meet?
{\*\htmltag84 <a href=""https://gsuite.google.com/learning-center/products/meet/get-started/"">}\htmlrtf {\field{\*\fldinst{HYPERLINK ""https://gsuite.google.com/learning-center/products/meet/get-started/""}}{\fldrslt\cf1\ul \htmlrtf0
{\*\htmltag84 <b>}\htmlrtf {\b \htmlrtf0
{\*\htmltag148 <span style='color:#0563C1'>}\htmlrtf {\htmlrtf0
{\*\htmltag84 &nbsp;}\htmlrtf \'a0\htmlrtf0 Learn more
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0
{\*\htmltag92 </b>}\htmlrtf }\htmlrtf0 \htmlrtf }\htmlrtf0 \htmlrtf }\htmlrtf0
{\*\htmltag92 </a>}
{\*\htmltag148 <span style='mso-spacerun:yes'>}\htmlrtf {\htmlrtf0
{\*\htmltag84 &nbsp;}\htmlrtf \'a0\htmlrtf0
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0 \htmlrtf\par}\htmlrtf0
{\*\htmltag72 </p>}
{\*\htmltag64 <p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'>}\htmlrtf {\htmlrtf0
{\*\htmltag148 <span style='mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri'>}\htmlrtf {\htmlrtf0
{\*\htmltag244 <o:p>}
{\*\htmltag84 &nbsp;}\htmlrtf \'a0\htmlrtf0
{\*\htmltag252 </o:p>}
{\*\htmltag156 </span>}\htmlrtf }\htmlrtf0 \htmlrtf\par}\htmlrtf0
{\*\htmltag72 </p>}
{\*\htmltag104 </div>}\htmlrtf }\htmlrtf0
{\*\htmltag58 </body>}
{\*\htmltag27 </html>}}";
#endregion

public static String PlainInfo(String meetingUrl, OlBodyFormat format) {
if (new OlBodyFormat[] { OlBodyFormat.olFormatPlain, OlBodyFormat.olFormatRichText }.Contains(format))
return plainInfo.Replace(meetingIdToken, meetingUrl);
else if (format == OlBodyFormat.olFormatHTML) {
String hydratedInfo = plainHtmlInfo.Replace(meetingIdToken, meetingUrl);
return hydratedInfo.Trim();
} else
return "";
}

public static String RtfInfo(String meetingUrl, Boolean includeHeader = true) {
return (includeHeader ? rtfInfoHeader : "") + rtfInfo.Replace(meetingIdToken, meetingUrl);
String hydratedInfo = rtfInfo.Replace(meetingIdToken, meetingUrl);
return (includeHeader ? rtfHeader : "") + hydratedInfo;
}
public static String RtfHtmlInfo(String meetingUrl, Boolean includeHeader = true) {
String hydratedInfo = rtfHtmlInfo.Replace(meetingIdToken, meetingUrl);
hydratedInfo = hydratedInfo.Replace(meetingLogoToken, GMeetLogo.Instance.GMeetLogoBase64);
return (includeHeader ? rtfHtmlHeader : "") + hydratedInfo;
}

/// <summary>
Expand All @@ -247,16 +363,16 @@ public static void GoogleMeet(this Microsoft.Office.Interop.Outlook.AppointmentI
String oGMeetUrl = CustomProperty.Get(ai, CustomProperty.MetadataId.gMeetUrl);

if (!String.IsNullOrEmpty(ai.Body?.RemoveLineBreaks().Trim())) {
String gMeetTemplate = PlainInfo("");
String gMeetTemplate = PlainInfo("", bodyFormat);
if (rgxGmeetUrl.Replace(ai.Body, "").RemoveLineBreaks() == gMeetTemplate.RemoveLineBreaks()) {
log.Debug("Description only contains GMeet info, which will be removed.");
Calendar.Instance.IOutlook.AddRtfBody(ref ai, "");
ai.Body = "";
} else {
if (bodyFormat == OlBodyFormat.olFormatPlain) {
if (ai.Body.Replace(PlainInfo(oGMeetUrl), "").Length < ai.Body.Length) {
if (ai.Body.Replace(PlainInfo(oGMeetUrl, bodyFormat), "").Length < ai.Body.Length) {
log.Debug("Retaining non-GMeet content.");
ai.Body = ai.Body.Replace(PlainInfo(oGMeetUrl), "");
ai.Body = ai.Body.Replace(PlainInfo(oGMeetUrl, bodyFormat), "");
} else
log.Debug("Not safe to remove GMeet info.");
} else {
Expand All @@ -272,14 +388,14 @@ public static void GoogleMeet(this Microsoft.Office.Interop.Outlook.AppointmentI
CustomProperty.Add(ref ai, CustomProperty.MetadataId.gMeetUrl, gMeetUrl);

if (String.IsNullOrEmpty(ai.Body?.RemoveLineBreaks().Trim())) {
log.Debug("Adding GMeet RTF body to Outlook");
Calendar.Instance.IOutlook.AddRtfBody(ref ai, RtfInfo(gMeetUrl));
log.Debug("Adding GMeet RTF HTML body to Outlook");
Calendar.Instance.IOutlook.AddRtfBody(ref ai, RtfHtmlInfo(gMeetUrl));
} else {
if (bodyFormat == OlBodyFormat.olFormatPlain) {
if (!rgxGmeetUrl.IsMatch(ai.Body)) {
log.Debug("Appending GMeet plaintext body to Outlook");
ai.Body += "\r\n" + PlainInfo(gMeetUrl);
} else if (String.IsNullOrEmpty(ai.Body?.Replace(PlainInfo(gMeetUrl), "").RemoveLineBreaks().Trim())) {
ai.Body += "\r\n" + PlainInfo(gMeetUrl, bodyFormat);
} else if (String.IsNullOrEmpty(ai.Body?.Replace(PlainInfo(gMeetUrl, bodyFormat), "").RemoveLineBreaks().Trim())) {
log.Debug("Replacing GMeet plaintext with RTF body in Outlook");
Calendar.Instance.IOutlook.AddRtfBody(ref ai, RtfInfo(gMeetUrl));
} else {
Expand All @@ -290,18 +406,30 @@ public static void GoogleMeet(this Microsoft.Office.Interop.Outlook.AppointmentI
if (!rgxGmeetUrl.IsMatch(ai.Body)) {
log.Debug("Appending GMeet RTF body to Outlook");
String rtfBody = ai.RTFBodyAsString();
int lastOccurrenceIdx = rtfBody.LastIndexOf('}');
String newRtfBody = rtfBody.Substring(0, lastOccurrenceIdx) + @"\r\n\par\r\n" + RtfInfo(gMeetUrl, false) + rtfBody.Substring(lastOccurrenceIdx + 1);
int injectIdx = rtfBody.LastIndexOf('}');
String newRtfBody = rtfBody.Substring(0, injectIdx) + @"\r\n\par\r\n" + RtfInfo(gMeetUrl, false) + rtfBody.Substring(injectIdx + 1);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newRtfBody);
} else {
log.Debug("Updating GMeet RTF body in Outlook");
String newRtfBody = rgxGmeetUrl.Replace(ai.RTFBodyAsString(), gMeetUrl);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newRtfBody);
}
} else if (bodyFormat == OlBodyFormat.olFormatHTML) {
if (!rgxGmeetUrl.IsMatch(ai.Body)) {
log.Debug("Appending GMeet RTF HTML body to Outlook");
String rtfHtmlBody = ai.RTFBodyAsString();
int injectIdx = rtfHtmlBody.LastIndexOf(@"{\*\htmltag58 </BODY>}");
String newRtfHtmlBody = rtfHtmlBody.Substring(0, injectIdx) + RtfHtmlInfo(gMeetUrl, false);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newRtfHtmlBody);
} else {
log.Debug("Updating GMeet RTF HTML body in Outlook");
String newRtfHtmlBody = rgxGmeetUrl.Replace(ai.RTFBodyAsString(), gMeetUrl);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newRtfHtmlBody);
}
} else {
log.Warn(bodyFormat.ToString() + " is not fully supported. Attempting update of pre-existing GMeet URL.");
String newHtmlBody = rgxGmeetUrl.Replace(ai.RTFBodyAsString(), gMeetUrl);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newHtmlBody);
String newBody = rgxGmeetUrl.Replace(ai.RTFBodyAsString(), gMeetUrl);
Calendar.Instance.IOutlook.AddRtfBody(ref ai, newBody);
}
}
}
Expand Down
7 changes: 6 additions & 1 deletion src/OutlookGoogleCalendarSync/OutlookOgcs/OutlookCalendar.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -596,7 +596,12 @@ public Boolean UpdateCalendarEntry(ref AppointmentItem ai, Event ev, ref int ite
String oGMeetUrl = CustomProperty.Get(ai, CustomProperty.MetadataId.gMeetUrl);

if (profile.SyncDirection.Id == Sync.Direction.GoogleToOutlook.Id || !profile.AddDescription_OnlyToGoogle) {
String aiBody = ai.Body?.RemoveLineBreaks().Replace(GMeet.PlainInfo(oGMeetUrl).RemoveLineBreaks(), "");
String aiBody = ai.Body?.RemoveLineBreaks();
if (!String.IsNullOrEmpty(aiBody)) {
Regex htmlDataTag = new Regex(@"<data:image.*?>");
aiBody = htmlDataTag.Replace(aiBody, "");
aiBody = aiBody.Replace(GMeet.PlainInfo(oGMeetUrl, ai.BodyFormat()).RemoveLineBreaks(), "").Trim();
}
String bodyObfuscated = Obfuscate.ApplyRegex(Obfuscate.Property.Description, ev.Description, aiBody, Sync.Direction.GoogleToOutlook);
if (bodyObfuscated.Length == 8 * 1024 && aiBody.Length > 8 * 1024) {
log.Warn("Event description has been truncated, so will not be synced to Outlook.");
Expand Down
10 changes: 10 additions & 0 deletions src/OutlookGoogleCalendarSync/Properties/Resources.Designer.cs
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3 changes: 3 additions & 0 deletions src/OutlookGoogleCalendarSync/Properties/Resources.resx
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Original file line number Diff line number Diff line change
Expand Up @@ -166,4 +166,7 @@
<data name="animated_tray_icon_strip_64x" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\Resources\animated-tray-icon-strip-64x.bmp;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
</data>
<data name="gmeet_logo" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\Resources\gmeet_logo.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
</data>
</root>
Binary file added src/OutlookGoogleCalendarSync/Resources/gmeet_logo.png
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