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author | GitLab Bot <gitlab-bot@gitlab.com> | 2022-06-20 11:10:13 +0000 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2022-06-20 11:10:13 +0000 |
commit | 0ea3fcec397b69815975647f5e2aa5fe944a8486 (patch) | |
tree | 7979381b89d26011bcf9bdc989a40fcc2f1ed4ff /app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue | |
parent | 72123183a20411a36d607d70b12d57c484394c8e (diff) | |
download | gitlab-ce-0ea3fcec397b69815975647f5e2aa5fe944a8486.tar.gz |
Add latest changes from gitlab-org/gitlab@15-1-stable-eev15.1.0-rc42
Diffstat (limited to 'app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue')
-rw-r--r-- | app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue b/app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue new file mode 100644 index 00000000000..6b4110cff02 --- /dev/null +++ b/app/assets/javascripts/behaviors/components/sandboxed_mermaid.vue @@ -0,0 +1,77 @@ +<script> +import { + getSandboxFrameSrc, + BUFFER_IFRAME_HEIGHT, + SANDBOX_ATTRIBUTES, +} from '../markdown/render_sandboxed_mermaid'; + +export default { + name: 'SandboxedMermaid', + + props: { + source: { + type: String, + required: true, + }, + }, + + data() { + return { + iframeHeight: BUFFER_IFRAME_HEIGHT, + sandboxFrameSrc: getSandboxFrameSrc(), + }; + }, + + watch: { + source() { + this.updateDiagram(); + }, + }, + + mounted() { + window.addEventListener('message', this.onPostMessage, false); + }, + + destroyed() { + window.removeEventListener('message', this.onPostMessage); + }, + + methods: { + getSandboxFrameSrc, + + onPostMessage(event) { + const container = this.$refs.diagramContainer; + + if (event.source === container?.contentWindow) { + this.iframeHeight = Number(event.data.h) + BUFFER_IFRAME_HEIGHT; + } + }, + + updateDiagram() { + const container = this.$refs.diagramContainer; + + // Potential risk associated with '*' discussed in below thread + // https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74414#note_735183398 + container.contentWindow?.postMessage(this.source, '*'); + container.addEventListener('load', () => { + container.contentWindow?.postMessage(this.source, '*'); + }); + }, + }, + + sandboxFrameSrc: getSandboxFrameSrc(), + sandboxAttributes: SANDBOX_ATTRIBUTES, +}; +</script> +<template> + <iframe + ref="diagramContainer" + :src="$options.sandboxFrameSrc" + :sandbox="$options.sandboxAttributes" + frameborder="0" + scrolling="no" + width="100%" + :height="iframeHeight" + > + </iframe> +</template> |