AppSettings.config

14 minutes to read

The ~/Configuration/AppSettings.config file allows you to configure the location of asset folders, the state file storage, and the security model.

The following snippet shows application parameters of Customer's Canvas, which you can set up in either the appSettings section of Web.config or the separate ~/Configuration/AppSettings.config, and their values. You can click a key to navigate to its description.

<appSettings>
    <!-- Paths -->
    <add key="DesignFolder" value="..\assets\designs" />
    <add key="MockupFolder" value="..\assets\mockups" />
    <add key="WatermarkFolder" value="..\assets\helpers" />
    <add key="DesignImagesFolder" value="..\assets\helpers" />
    <add key="PublicGalleryFolder" value="..\assets\images" />
    <add key="UserDataFolder" value="..\userdata" />

    <!-- Asset Storage -->
    <add key="AssetStorageEndpoint" value="" />
    <add key="AssetStorageApiKey" value="" />
    <add key="AssetStorageTenantId" value="" />
    <add key="AssetStorageRetryCount" value="3" />
    <add key="AssetProcessorEndpoint" value="" />
    <add key="AssetProcessorApiKey" value="" />
    <add key="AssetStorageStates" value="False" />
    <add key="AssetStoragePublicGallery" value="False" />
    <add key="AssetStorageFonts" value="False" />
    <add key="AssetStorageFontsPath" value="" />
    <add key="AssetStorageFontsCheckInterval" value="60" />
    <add key="AssetStorageTemplates" value="False" />
    <add key="AssetStorageImages" value="False" />
    <add key="MessageBus:RabbitMQ" value="" />
    <add key="MessageBus:AzureServiceBus" value="" />

    <!-- State file management -->
    <add key="MasterUserId" value="masteruser" />
    <add key="DefaultUserId" value="default" />
    <add key="StateFileStorageEnabled" value="False" />
    <add key="AnonymousModeEnabled" value="False" />
    <add key="DemoModeEnabled" value="False" />
    <add key="HiResControllerStoreDataInState" value="True" />

    <!-- Font management -->
    <add key="FontSubstitutionEnabled" value="False" />
    <add key="SubstitutionFontPostScriptName" value="Roboto-Regular" />
    <add key="DefaultFontPostScriptName" value="Roboto-Regular" />
    <add key="LoadFontListAsPostScriptNames" value="True" />
    <add key="Hinting" value="Auto" />

    <!-- Editor features -->
    <add key="DefaultPlaceholderCoverModeEnabled" value="False" />

    <!-- Rendering -->
    <add key="RasterizeVectorInSmartFrame" value="False" />
    <add key="ProofImageDownloadEnabled" value="False" />
    <add key="SepiaAlgorithm" value="MoreBrown" />
    <add key="AppUrl" value="/" />
    <add key="DisableHiResOutputEndpoint" value="False" />
    <add key="AutoTargetDevicePreviewMode" value="True" />

    <!-- Security -->
    <add key="ApiSecurityKey" value="" />
    <add key="UnsafeHttpWebApiEnabled" value="" />
    <add key="SecureModeEnabled" value="True" />
    <add key="CorsAllowOriginDomains" value="*" />
    <add key="CorsAllowRequestHeaders" value="" />
    <add key="CustomersCanvasLicenseKey" value="" />
    <add key="IgnoreSslVerification" value="False" />

    <!-- Troubleshooting and maintenance -->
    <add key="LogCleanUpInterval" value="60" />
    <add key="LogLifetimeToArchiving" value="20160" />
    <add key="LogLifetimeToRemoving" value="" />
    <add key="IssueNotificationEmail" value="" />
    <add key="DebugScriptModeEnabled" value="" />

    <!-- External state storage -->
    <add key="ExternalStatePushUrl" value="https://example.com/api/state/push/{userId}/{stateId}" />
    <add key="ExternalStatePullUrl" value="https://example.com/api/state/pull/{userId}/{stateId}" />
    <add key="ExternalStateDeleteUrl" value="https://example.com/api/state/delete/{userId}/{stateId}" />
    <add key="ExternalStateSecurityKey" value="UniqueSecurityKey" />
    <add key="ExternalStateHeadRequestEnabled" value="True" />

    <!-- Asset Manager -->
    <add key="AllCategoryName" value="all" />
    <add key="RootCategoryName" value="root" />
    <add key="OnlyFirstLevelSubfoldersInitialization" value="false" />

    <!-- Concurrency -->
    <add key="MaxConcurrentRenderingTasks" value="12" />
    <add key="MaxConcurrentStateIOTasks" value="4" />

    <!-- Remote Token Service -->
    <add key="TokenServiceEndpoint" value="https://localhost/token-service" />
    <add key="TokenServiceApiKey" value="" />

</appSettings>

Note

All parameters defining paths are either relative or absolute. Relative paths to folders are specified from your site root and start with ~/ (for example, ~/userdata). Absolute paths are complete ones; they start either with a drive letter (for example, C:\) or \\ for network locations. When you use absolute paths to external folders, make sure that the user account, under which Customer's Canvas runs in ASP.NET/IIS, has the read/write access to the remote folders.

If for some reasons the Postscript names are misspelled, then Customer's Canvas adds Arial to the editor's font list and uses this font for substitutions and new text elements.

Let's look at these parameters in more detail.

Paths

Name	Description	Possible values
DesignFolder	The folder path where design templates are stored. The default value is `"..\assets\designs"`.	folder path
MockupFolder	The folder path where product mockups are stored. The default value is `"..\assets\mockups"`.	folder path
WatermarkFolder	The folder path where watermark images are stored. The default value is `"..\assets\helpers"`.	folder path
DesignImagesFolder	The folder path where the `<BGIMG>` images are stored. The default value is `"..\assets\helpers"`.	folder path
PublicGalleryFolder	The folder path where public images are stored. The default value is `"..\assets\images"`.	folder path
UserDataFolder	The folder path where the user data is stored. The default value is `"..\userdata"`.	folder path

Asset Storage

Name	Description	Possible values
AssetStorageEndpoint	The URL that links to your Asset Storage service. For example, `"https://assetstorage.example.com"`.	string
AssetStorageApiKey	The API key you have set in your Asset Storage configuration. This value is an arbitrary string (a unique value).	string
AssetStorageTenantId	If you are using Customer's Canvas in single-tenant mode, always set `1`. Otherwise, specify the ID of a tenant where you want to connect it.	string
AssetStorageRetryCount	Ensures that the data will be received from the storage even if there are temporary network issues. The default value is `3`.	number
AssetProcessorEndpoint	The URL that links to your Asset Processor service. For example, `"https://assetprocessor.example.com"`.	string
AssetProcessorApiKey	The API key you have set in your Asset Processor configuration. This value is an arbitrary string (a unique value).	string
AssetStorageStates	If `True`, saves state files to and loads them from the Asset Storage. The default value is `False`.	`True`, `False`
AssetStoragePublicGallery	If `True`, enables receiving public images from the Asset Storage. The default value is `False`.	`True`, `False`
AssetStorageFonts	If `True`, enables receiving fonts from the Asset Storage. The default value is `False`.	`True`, `False`
AssetStorageFontsPath	The folder path where fonts are stored. By default, they are stored in the `"Fonts"` folder.	folder path
AssetStorageFontsCheckInterval	The timeout to check for new fonts in storage, in seconds. You can increase this value to reduce resource consumption. The default value is `60`.	number
AssetStorageTemplates	If `True`, enables receiving product templates and mockups from the Asset Storage. The default value is `False`.	`True`, `False`
AssetStorageImages	If `True`, enables receiving images from the Asset Storage. The default value is `False`.	`True`, `False`
MessageBus:RabbitMQ	The RabbitMQ connection string to notify of changing assets. You must specify this string in the following format: `"Host=...;VirtualHost=...;Username=...;Password=..."`.	string
MessageBus:AzureServiceBus	The AzureServiceBus connection string to notify of changing assets. You must specify this string in the following format: `"Endpoint=...;SharedAccessKeyName=...;SharedAccessKey=..."`.	string

State file management

Name	Description	Possible values
MasterUserId	The identifier of the master user. Templates and images that belong to the master user can be used by any user. The default value is `masteruser`.	string
DefaultUserId	The identifier of the default user. The default value is `default`.	string
StateFileStorageEnabled	Enables the space-saving mode of state files. This mode is helpful when working with large designs and reusing graphics. In this mode, state files are saved in the .sto format. All images are stored in the ..\\userdata\\StateFileCache\\ folder, and state files have only links to the files in that folder. The default value is `False`.	`True`, `False`
AnonymousModeEnabled	Enables the anonymous site mode. The default value is `False`. For more details, see the Populating designs with user info article.	`True`, `False`
DemoModeEnabled	Enables the demonstration mode. The default value is `False`. For more details, see the Populating designs with user info article.	`True`, `False`
HiResControllerStoreDataInState	If `True`, the `HiRes` controller will save personalization data in state files when rendering products. In this case, a state file will represent the initial product template without applying this data. If `False`, then the resulting state file will contain a set of personalized product copies but will not include the personalization data. The default value is `True`. To configure a single request, you can use StoreDataInState in the request payload.	`True`, `False`

Font management

Name	Description	Possible values
FontSubstitutionEnabled	Enables the font substitution feature. If a font required by a product is not found on the server, depending on this value, it triggers an exception (for the `False` value) or substitutes the font (for the `True` value). Since this feature is disabled by default, make sure that all fonts from all your templates are imported to Customer's Canvas as explained in Font list article. NOTE: For auto-scaled texts, this option is ignored and it always throws an exception if it meets an unknown font in a template. The default value is `False`.	`True`, `False`
SubstitutionFontPostScriptName	The PostScript name of the font to substitute a missing font with. By default, it is the DefaultFontPostScriptName value.	PostScript font name
DefaultFontPostScriptName	The PostScript name of the default font used for any new text. The default value is `Roboto-Regular`.	PostScript font name
LoadFontListAsPostScriptNames	Allows you to use PostScript names in the FontList config if this parameter is `True`. If `False`, the editor reads the names in this list as font family names. The default value is `True`.	`True`, `False`
Hinting	Customer's Canvas allows you to specify whether to use font hinting when it is not enabled for the font or not. The `Enabled` value turns hinting on whereas `Disabled` turns it off. The `Auto` value does not turn font hinting on when it is disabled. The default value is `Auto`.	`Enabled`, `Disabled`, `Auto`

Editor features

Name	Description	Possible values
DefaultPlaceholderCoverModeEnabled	Enables the cover mode. If `True`, the cover mode is enabled for image placeholders without using the `<PACM>` marker. The default value is `False`.	`True`, `False`

Rendering

Name	Description	Possible values
RasterizeVectorInSmartFrame	Defines how to import PDF and AI vector graphics from Photoshop templates. If `True`, Customer's Canvas rasterizes images from smart frames, otherwise, they are loaded in a vector form. The `<RVC>` marker overrides this parameter. The default value is `False`.	`True`, `False`
ProofImageDownloadEnabled	Enables downloading of proof images instead of opening them in a tab when opening a proof image link in a browser. The default value is `False`.	`True`, `False`
SepiaAlgorithm	Sets either a standard Sepia algorithm or a custom algorithm giving a more brown tone. `MoreBrown` is based on `Standard` with modified hue, contrast, and saturation. By default, the `MoreBrown` algorithm is enabled in the config. Without this parameter, the `Standard` algorithm is applied.	`Standard`, `MoreBrown`
AppUrl	Defines server's URLs that appear in links to proof images and high-resolution outputs.	string
DisableHiResOutputEndpoint	Disables the endpoint that generates high resolution print files. By default, the rendering is enabled, and this value is `False`.	`True`, `False`
AutoTargetDevicePreviewMode	Enables preview of CMYK colors on the canvas and proof images and uses the profile specified in `hiResOutputDestinationColorProfileName` for color conversion. By default, this preview mode is enabled, and this value is `True`.	`True`, `False`

Security

Name	Description	Possible values
ApiSecurityKey	Enables access to the Web API. You have to include this key in every header of HTTPS requests as the `X-CustomersCanvasAPIKey` field to perform file operations on your server. The Web API works if the value of this key passed in a request matches the value defined in web.config. The value is an arbitrary string (a unique value). For more details, refer to the Authentication topic.	string
UnsafeHttpWebApiEnabled	Enables access to the Web API through HTTP. The default value is `False`, which means you can only call the Customer's Canvas Web API through the secure protocol (HTTPS).	`True`, `False`
SecureModeEnabled	Enables secure access to the user's private data and the Web API endpoints by using tokens. In this mode, before loading the editor, you have to create a tokenId for a single user and pass this token to the `loadeditor` method as a configuration parameter. The default value is `True`.	`True`, `False`
CorsAllowOriginDomains	Restricts embedding the editor to pages hosted only on listed domains. If your site and Customer's Canvas run on different domains, you can specify your site domain name in `CorsAllowOriginDomains` to disallow access to the web-to-print editor from other domains. The value is a comma-separated string. For example, it may look as `"http://domain1.com,http://domain2.net"`. The `"*"` default value allows access from any domain.	string
CorsAllowRequestHeaders	Restricts HTTP headers, which the Design Editor accepts, to the listed in this parameter. By default, only `X-CustomersCanvasAPIKey` is accepted, and you don't need to specify it here. To accept other HTTP headers, you must specify them in `CorsAllowRequestHeaders` as a comma-separated string. The `"*"` value allows you to send any HTTP header.	string
CustomersCanvasLicenseKey	Applies a license key to the Customer's Canvas instance.	string
IgnoreSslVerification	If `True`, the Web API does not verify certificates of HTTPS addresses of the assets. The default value is `False`.	`True`, `False`

Logs and Debugging

Name	Description	Possible values
LogCleanUpInterval	The interval between cleanup runs, in minutes. Every run, Customer's Canvas verifies whether logs get older than LogLifetimeToArchiving or LogLifetimeToRemoving and triggers archiving or removing log files if required. The automatic cleanup does not occur when the application starts. The default value is `60` (an hour).	number
LogLifetimeToArchiving	The lifetime of logs before archiving them into the ~/Resources/Logs/Archive folder, in minutes. Elmah does not index files in this folder that makes the application launches faster. The default value is `20160` (two weeks).	number
LogLifetimeToRemoving	The lifetime of logs before removing them from both ~/Resources/Logs/Archive and ~/Resources/Logs folders, in minutes. Note, removing logs can make an error analysis difficult. If LogLifetimeToRemoving is less than LogLifetimeToArchiving, the archive folder will not contain log files. By default, Customer's Canvas does not remove logs.	number
IssueNotificationEmail	Customer's Canvas sends error notifications to this email address. You can receive notifications of initialization errors and missing designs, mockups, or fonts. By default, this value is undefined, and the editor does not send email notifications. For more details, refer to the Monitoring topic.	string
DebugScriptModeEnabled	Enables the Debug mode for loading JavaScript code. `False` enables the Release mode when the scripts are minified and combined into a bundle. `True` enables the Debug mode when the scripts load as separate files and not minified. If you do not specify this parameter, the mode will depend on the application build configuration (for example, if compiled as Debug, Customer's Canvas enables the Debug Script mode).	`True`, `False`

External state storage

Name	Description	Possible values
ExternalStatePushUrl	Defines the endpoint of your custom controller that the Design Editor will use to push a state file to external storage. The editor sends a state file to `ExternalStatePushUrl` and does not save it in its local storage if it receives a success response. You can define this endpoint in your own format, but it must contain `{userId}` and `{stateId}` placeholders, for example, `"https://example.com/api/state/push/{userId}/{stateId}"`. These placeholders will be replaced with the actual user and state identifiers. You can also specify additional parameters in your request.	string
ExternalStatePullUrl	Defines the endpoint of your custom controller that the Design Editor will use to pull a state file from external storage. This endpoint must implement both GET and HEAD methods and must pass the `Etag` and `LastModified` headers when responding. This ensures optimal operation and traffic savings. When loading a state file, the editor searches for this file in its local storage and cache first. Then, the editor tries to pull this file from `ExternalStatePullUrl`. If the state file is not found, an exception occurs. You can define this endpoint in your own format, but it must contain `{userId}` and `{stateId}` placeholders, for example, `"https://example.com/api/state/pull/{userId}/{stateId}"`. These placeholders will be replaced with the actual user and state identifiers. You can also specify additional parameters in your request.	string
ExternalStateDeleteUrl	Defines the endpoint of your custom controller that the Design Editor will use to delete a state file from external storage and the cache. You can define this endpoint in your own format, but it must contain `{userId}` and `{stateId}` placeholders, for example, `"https://example.com/api/state/delete/{userId}/{stateId}"`. These placeholders will be replaced with the actual user and state identifiers. You can also specify additional parameters in your request.	string
ExternalStateSecurityKey	Defines a security key for your controller processing requests to external state storage. The Design Editor passes this key within the header of HTTPS requests as the `X-ExternalStateStorageApiKey` field. The value is an arbitrary string.	string
ExternalStateHeadRequestEnabled	If you use an outdated implementation of webhooks, set this parameter to `False` to confirm that the Pull endpoint does not support the HEAD request. However, we strongly recommend updating the webhook to support the HEAD request to optimize performance and reduce traffic. The default value is `True`.	`True`, `False`

The Asset Manager

Name	Description	Possible values
AllCategoryName	The alias for the category containing images from the public images folder and all its subfolders. The default value is `all`.	string
RootCategoryName	The alias for the category containing images from the public images folder. The default value is `root`.	string
OnlyFirstLevelSubfoldersInitialization	If `True`, the categories in the PublicSource are read level by level on demand. At initializing, only first-level subfolders are taken. If `False`, the entire hierarchy of assets will be read when the image manager is opened. The default value is `False`.	`True`, `False`

Concurrency

Name	Description	Possible values
MaxConcurrentRenderingTasks	The maximum number of tasks for rendering proof images and hi-res outputs that the Design Editor can perform at the same time. The default value is `12`.	number
MaxConcurrentStateIOTasks	The maximum number of concurrent tasks for loading or saving sate files in the Design Editor. For example, is this value is `3`, then three load tasks and three save tasks can be performed at the same time. The default value is `4`.	number

Remote Token Service

Name	Description	Possible values
TokenServiceEndpoint	The URL that links to your TokenService application. For example, `"https://localhost/token-service"`.	string
TokenServiceApiKey	The API key defined in the TokenService config. This value is an arbitrary string (a unique value).	string